Download - Math Enrichment Book

Florida Enrich BookGrade 2

PROVIDES daily enrichment activities

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ISBN 13: 978-0-15-385493-4

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iii

ContentsBIG IDEA 1: Number, Place Value, and Patterns

Chapter 1: Place Value and Number Patterns

1.1 Pencil Place Value ............................................................................................. E1

1.2 Expanding Numbers .......................................................................................... E2

1.3 Race to Find the Number ................................................................................. E3

1.4 Marble Mix-Up .................................................................................................. E4

1.5 Odds and Ends ................................................................................................... E5

1.6 More About Skip Counting .............................................................................. E6

1.7 A Sticky Situation .............................................................................................. E7

1.8 What’s the Problem? ......................................................................................... E8

1.9 My Predictions ................................................................................................... E9

Chapter 2: 3-Digit Numbers

2.1 Tic-Tac-Hundred ............................................................................................... E10

2.2 Find the Number ................................................................................................ E11

2.3 Value Clues ......................................................................................................... E12

2.4 Say It in Layers ................................................................................................... E13

2.5 Find the Greater Number ................................................................................. E14

2.6 Comparing .......................................................................................................... E15

2.7 The Middle of the Train ................................................................................... E16

2.8 Find the Number Pattern .................................................................................. E17

Chapter 3: 4-Digit Numbers

3.1 Brick by Brick ..................................................................................................... E18

3.2 Matching ............................................................................................................. E19

3.3 4-Digit Crossword .............................................................................................. E20

3.4 Compare Car Rides ........................................................................................... E21

3.5 Compare 4-Digit Numbers ............................................................................... E22

3.6 Get Your Cards in Order .................................................................................. E23

Grade 2Enrich© Houghton Mifflin Harcourt Publishing Company

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iv

BIG IDEA 2: Addition and Subtraction

Chapter 4: Basic Facts and Relationships

4.1 Tic+Tac+Toe ...................................................................................................... E24

4.2 Make-a-Ten Again ............................................................................................. E25

4.3 Fact Family ......................................................................................................... E26

4.4 What Is the Difference? .................................................................................... E27

4.5 Fix It .................................................................................................................... E28

4.6 “Sub”traction Rules ........................................................................................... E29

4.7 Repeat Bakery .................................................................................................... E30

4.8 Balance Things Out ........................................................................................... E31

4.9 A Balancing Act ................................................................................................. E32

Chapter 5: 2-Digit Addition

5.1 Add to the Score ................................................................................................ E33

5.2 Break Apart to Match ....................................................................................... E34

5.3 Tens and Ones Combinations .......................................................................... E35

5.4 Match the Sums .................................................................................................. E36

5.5 Addition in the Air ............................................................................................ E37

5.6 Estimation Time ................................................................................................. E38

5.7 Go Fish ................................................................................................................ E39

5.8 What is the Problem? ........................................................................................ E40

5.9 Adding Errors .................................................................................................... E41

5.10 Butterfl y Addition .............................................................................................. E42

5.11 Trace the Path .................................................................................................... E43

Chapter 6: 2-Digit Subtraction

6.1 Which Difference is Different? ........................................................................ E44

6.2 A Maze of Thirties ............................................................................................. E45

6.3 Subtraction Bingo .............................................................................................. E46

6.4 The Art of Differences ...................................................................................... E47

6.5 Match It Up ........................................................................................................ E48

6.6 Choose the Numbers ......................................................................................... E49

6.7 Subtraction Riddles ........................................................................................... E50

6.8 Race to Zero ....................................................................................................... E51

6.9 How Many Could There Be? ........................................................................... E52

6.10 The Lost Digits ................................................................................................... E53

6.11 Add It Up — Take It Away .............................................................................. E54


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v

Chapter 7: 3-Digit Addition

7.1 Domino Break .................................................................................................... E55

7.2 The Read-a-Thon ............................................................................................... E56

7.3 The Nearest Hundred ........................................................................................ E57

7.4 3-Digit Scramble ................................................................................................ E58

7.5 3 on 3 Tournament ............................................................................................. E59

7.6 Paint By Regrouping ......................................................................................... E60

7.7 Addition Wheels ................................................................................................ E61

Chapter 8: 3-Digit Subtraction

8.1 Find the Mistakes ............................................................................................... E62

8.2 What’s the Difference? ..................................................................................... E63

8.3 What Numbers Can You Use? ......................................................................... E64

8.4 Subtraction Steps ............................................................................................... E65

8.5 Check It Out ....................................................................................................... E66

8.6 Follow the Arrows to Subtract ......................................................................... E67

8.7 Mystery Number ................................................................................................ E68

BIG IDEA 3: Measurement and Geometry

Chapter 9: Length

9.1 Compared to Me ................................................................................................ E69

9.2 Compare to Measure ......................................................................................... E70

9.3 The Long and Short of It .................................................................................. E71

9.4 Measure the Tools ............................................................................................. E72

9.5 Map Measurements ........................................................................................... E73

9.6 Handy Measuring ............................................................................................... E74

9.7 How Tall Are You? ........................................................................................... E75

9.8 Length Riddles ................................................................................................... E76

9.9 Centimeter Clips ................................................................................................ E77

9.10 Colorful Veggies ................................................................................................ E78

9.11 Measure by Hand ............................................................................................... E79

9.12 Centi-Meter Fever ............................................................................................. E80

9.13 Distance Drawings ............................................................................................. E81

9.14 Measurement Hike ............................................................................................ E82


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vi

Chapter 10: Weight, Mass, Capacity, and Volume

10.1 Ounces and Pounds ........................................................................................... E83

10.2 Measuring Mass .................................................................................................. E84

10.3 How Many Cups of Juice? ................................................................................ E85

10.4 Liter Beakers ...................................................................................................... E86

10.5 Volume of Irregular Figures ............................................................................. E87

10.6 Balancing Shapes ............................................................................................... E88

Chapter 11: Geometry and Patterns

11.1 Geometric Shape Puzzle ................................................................................... E89

11.2 Build Shapes in Two Ways ............................................................................... E90

11.3 Build It ................................................................................................................ E91

11.4 Equal Parts .......................................................................................................... E92

11.5 Pattern Match ..................................................................................................... E93

11.6 Repeating Patterns ............................................................................................ E94

11.7 Field Day ............................................................................................................. E95

11.8 Circle Pattern ...................................................................................................... E96

Chapter 12: Money and Time

12.1 Find the Total Value .......................................................................................... E97

12.2 What Is the Missing Coin? ................................................................................ E98

12.3 Arrange and Count Coins ................................................................................. E99

12.4 Making Equal Amounts .................................................................................... E100

12.5 Same Amount, Different Ways ........................................................................ E101

12.6 Comparing at the Hardware Store ................................................................... E102

12.7 Make a Dollar ..................................................................................................... E103

12.8 Is There Enough Money? ................................................................................. E104

12.9 Act It Out with Bills .......................................................................................... E105

12.10 Matching the Time ............................................................................................. E106

12.11 Telling Time at the Zoo .................................................................................... E107

12.12 Make a Time Schedule ...................................................................................... E108


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Name

Enrich© Houghton Mifflin Harcourt Publishing Company

E1 Grade 2

1. 47

2. 39

3. 28

4. 11

5. 52

Pencil Place ValueEach pencil box holds ten pencils. Draw a line from the pencils to the number that shows how many pencils are in each group.

Writing and Reasoning What digits do the pencil boxes represent? What digits do the single pencils represent?

FL Benchmark

MA.2.A.1.1

II Chapter 1, Lesson 1Enrich

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Name


Grade 2E2

1. 68 —

2. —

3. —

4. —

Expanding NumbersDescribe the number in another way. Write the number.

Writing and Reasoning Create your own exercise like the ones above for a friend to complete.

FL Benchmark

MA.2.A.1.2

6 — tens 8 — ones

— = — + —

— = — + —

2 — tens 3 — ones

— = 90 — + 7 —

— tens — ones

— ten — one

— = 10 — + 1 —


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Name


Grade 2E3

Race to Find the NumberDraw a race car next to each helmet. Label each race car with the correct two-digit number. Then write each number another way.

Writing and Reasoning How did you choose the other way to write each number?

FL Benchmark

MA.2.A.1.2

1.

2.

3.

4.


20 + 4

1 ten 9 ones

thirty

eighty-five

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Name


Grade 2E4

Marble Mix-UpRead the clue.Think of a 2-digit number that matches the clue. Write the number as tens and ones. Then write the number.

Writing and Reasoning Why do both ways of writing the number of marbles represent the same number?

FL Benchmark

MA.2.A.1.1

1.

— tens — onesThe number is: —

2.


3.


4.




Name


Grade 2E5

1

3

5

7

9

19

11 13

15

17

14

12

10

6

82020

4

18

16

Odds and EndsStart at 0 and connect all the even numbers. Then start at 1 and connect all the odd numbers.

Writing and Reasoning What pattern do you notice about even and odd numbers?

FL Benchmark

MA.2.A.4.2



Name


Grade 2E6

1 2 3 4 5 6 7 8

11 12 13 14 15 16 17 19

21 22 23 24 25 26 28 29

31 32 33 34 35 37 38 39

41 42 43 44 46 47 48 49

51 52 53 55 56 57 58 59

61 62 64 65 66 67 68 69

71 73 74 75 76 77 78 79

82 83 84 85 86 87 88 89

91 92 93 94 95 96 97 98 99

9

20

30

40

50

60

70

80

90

100

10

18

27

36

45

54

63

72

81

More About Skip CountingRosa is skip counting by different numbers. She starts counting at 0. Read the clues. Circle the number she could be counting by.

Writing and Reasoning Could Rosa be counting by any other numbers for Exercise 2? What are they?

FL Benchmark

MA.2.A.4.1


1. Rosa shades 68, 70, and 72 on the hundred chart. She could be counting by:

twos fours fives

2. Rosa shades 70 on the hundred chart. She could be counting by:

threes fours fives

3. Rosa shades 39 on the hundred chart. She could be counting by:

twos threes tens

4. Rosa shades 8 and 12 on the hundred chart. She could be counting by:

threes fours fives


Name


Grade 2E7

A Sticky SituationJamal’s stickers need to be organized. Each type of sticker must be grouped together. Different types of stickers cannot be on the same page. Each page can fi t 2 rows of 3 stickers.

Draw a diagram to show the pages.

Writing and Reasoning How many pages would you need for each type of sticker if each page could fit 3 rows of 4 stickers?

FL Benchmark

MA.2.A.4.3


1. How many pages do you need for ?





Name


Grade 2E8

What’s the Problem?Finish the table to show a pattern. Tell a story about the pattern.

Writing and Reasoning Write a problem to go with each table. Exchange with a partner. Solve. Show your work.

FL Benchmark

MA.2.A.4.1


1.

2.

3.

number of —

1

number of —

5

number of —

1

number of —

3

number of —

3

number of —

18


Name


Grade 2E9

Make Your Own PredictionsUse a skip counting pattern. Skip count backward.Make a prediction. What number will be in the 10th position?

FL Benchmark

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1. What number is in the 10th position?

2. What skip counting pattern did you use?

—

—

1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th

Use a different skip counting pattern. Skip count forward.Make a prediction. What number will be in the 20th position?

3. What number is in the 20th position?

4. What skip counting pattern did you use?

—

—

11th 12th 13th 14th 15th 16th 17th 18th 19th 20th

Writing and Reasoning How did you make a good prediction about a pattern?



E10 Grade 2

Name II Chapter 2, Lesson 1Enrich

ten sets of 10 20 tens

b b b

12 sets of 10 seventeen tens

b b b

19 tens 17 tens 0 ones

b b b

Writing and Reasoning Draw another board. Write clues in each box that tell how many tens are in each number. Give your puzzle to a classmate to solve.

Tic-Tac-HundredFind the value of each space on the board.

Find three spaces in a row with the same value to get Tic-Tac-Hundred. Draw a line to connect them.

FL Benchmark

MA.2.A.1.1

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Name

E11 Grade 2

Find the NumberRead the clues. Find the number.

1. A number is 4 hundreds more than 142. What is the number?

542 —


—

3. A number is 3 tens more than 249. What is the number?

—


—

5. A number is 8 ones more than 331. What is the number?

—


—


—

8. A number is 6 ones more than 772. What is the number?

—

Writing and Reasoning How did you find the answer to each question?

FL Benchmark

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Name

E12 Grade 2


FL Benchmark

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Writing and Reasoning Write a number that does not appear above. Use the same digits. Then write clues for your number.

Value CluesUse the digits 8, 7, and 3 to make numbers. Use all three digits. Read the clues and write the numbers.

1.

The value of the digit 8 in this number is 80.

The value of the digit 7 in this number is not 7.

The number is —

.

2.



The number is —

.

3.



The number is —

.

4.



The number is —

.



Name

E13 Grade 2

534 684

429 150


FL Benchmark

MA.2.A.1.2

Writing and Reasoning Which pyramid has the greatest value? Explain your reason.

Say It in LayersA step pyramid has different layers.

Fill in each layer of the pyramid with two different ways of writing the number at the top.

1. 2.

3. 4.



Name

E14 Grade 2

Find the Greater Number1. Write a word problem about comparing 620 and 627

to find the greater number. Draw a model to show the solution.

2. Choose two 3-digit numbers. Write a word problem about comparing the numbers. Find the greater number. Draw a model to show the solution.

FL Benchmark

MA.2.A.1.3


Writing and Reasoning How did you find the greater number?



Name

Grade 2E15

ComparingWrite each digit once to build a number that will make the sentence true.

1. 9, 6, 1

—

—

—

< 178

2. 2, 5, 8

—

—

—

< 852

3. 9, 3, 4

—

—

—

> 439

4. 1, 8, 7

187 > —

—

—

5. 2, 6

42 — > 2 — 1

6. 7, 3

33 — > — 36

7. 8, 5

3 — 7 < — 67

8. 9, 5, 4

— — 7 > — 67

Writing and Reasoning Write a digit to make the sentence true.

—

84 > 873Is there more than one digit you could use? Explain.

FL Benchmark

MA.2.A.1.3




Name

E16 Grade 2

843 921 321 459

The Middle of the TrainUse the numbers at the top of the page. Write each number in a train car. Use each number once. Check that the numbers on each set of train cars is in order.

1.

366 > — > 312

2.

978 > —

> 820

3.

432 < — < 465

4.

988 > — > 856

Writing and Reasoning Complete. Explain your answer.

675 < —

< 824


FL Benchmark

MA.2.A.1.3



Name

E17 Grade 2

322

422

224

153522

622

722

314304

294

284274

234244

254

264153

193

183

163

214

153

157222

200

101 412

222

506

351

453

275

281

220

199

Find the Number PatternUse a number pattern. Trace a path from least to greatest to lead the squirrel to the tree.

Writing and Reasoning What pattern did you use to find the next number to move to on the path?


FL Benchmark

MA.2.A.1.1


Name

E18Enrich Grade 2© Houghton Mifflin Harcourt Publishing Company

FL Benchmark

MA.2.A.1.1

Writing and Reasoning Explain how ones, tens, hundreds, and thousands are related.


Brick by BrickWrite a number story about building a brick playhouse. Bricks come in stacks of 100. You will need more than 1,000 bricks but less than 9,000 bricks. Decide how many bricks you may need in all and draw to explain.


Name


MatchingDraw a line to connect each model and shovel to the pail of the number it matches. Write the number on the pail.


FL Benchmark

MA.2.A.1.1

Writing and Reasoning How did you know which shovels and pails matched? Explain.

2 thousands4 hundreds7 tens5 ones

2 thousands1 hundred8 tens9 ones2 thousands3 hundreds7 tens1 one

1 thousand8 hundreds2 tens7 ones


Name


*

1

2

3

5 6

7

8

4

4-Digit CrosswordUse what you know about writing numbers in different ways to complete the crossword. Each answer will be a 4-digit number.

Down

1. 1,000 + 200 + 30 + 4

4. seven thousand, nine hundred fifty-four

6. 2,000 + 500 + 80 + 9

Across

2. five thousand, two hundred seventy-six

3. 1 thousand 4 hundreds 8 tens 7 ones

5. 5,000 + 500 + 50 + 5

7. 4 thousands 6 hundreds 5 tens 7 ones

8. six thousand, nine hundred thirty-six

FL Benchmark

MA.2.A.1.2

Writing and Reasoning Write your own clue and solution for the last remaining column in the crossword puzzle.



Name


Compare Car RidesUse the chart to compare road trips between capital cities. Compare the distance between Tallahassee and each city.

1. Which trip is a greater distance from Tallahassee, Denver or

Sacramento? ———

2. Which trip is fewer miles from Tallahassee, Austin or Oklahoma

City? ———

3. Which trip is the greatest distance from Tallahassee?

———

FL Benchmark

MA.2.A.1.2

Distance from Florida’s capital, TALLAHASSEE

Anchorage, Alaska 4,616 milesAustin, Texas 893 milesDenver, Colorado 1,632 milesOklahoma City, Oklahoma 1,003 milesPhoenix, Arizona 1,882 milesSacramento, California 2,637 miles

Writing and Reasoning Choose two cities you would like to visit from the list above. Write the distance for each trip and circle the trip that is the greater number of miles from Tallahassee.



Name


Compare 4-Digit NumbersCircle any mistakes you see in the problemsbelow. Write the correction above the mistake.

1. 3,250 = 3,520 2. 1,655 > 1,099

3. 9,876 < 9,456 4. 1,233 > 1,333

5. 7,000 > 6,898 6. 5,443 < 5,343

7. 7,331 = 1,431 8. 8,221 > 8,121

9. 2,657 < 2,757 10. 4,999 < 4,899

FL Benchmark

MA.2.A.1.2

Writing and Reasoning What strategy did you use to compare numbers? Explain.



Name


9 274

KARI

3 428

CATHY

7 953

BRIAN

8 142

JARED

5 867

VIC

8 946

WENDY

Get Your Cards in OrderWrite the greatest 4-digit number you can make from each friend’s cards. Circle the greatest number in each group. Then, write the numbers in each group in order from least to greatest.

—— < ——

< ——

least greatest

—— < ——

< ——

least greatest

FL Benchmark

MA.2.A.1.3

Writing and Reasoning Write the three greatest numbers you were able to make in order from greatest to least.




E24

Name

FL Benchmark

MA.2.A.2.1


Tic+Tac+ToeWrite the sums in each box. Draw a line through three boxes in a row that have one of the same sums.

Writing and Reasoning Draw a loop around each box with number sentences that have 0 as an addend. Did you win Tic+Tac+Toe again? Explain why.

9 + 0 = _

0 + 7 = _

6 + 0 = _

0 + 8 = _

5 + 0 = _

0 + 2 = _

5 + 5 = _

5 + 4 = _

4 + 4 = _

4 + 5 = _

3 + 3 = _

3 + 4 = _

7 + 4 = _

4 + 7 = _

6 + 6 = _

6 + 5 = _

6 + 3 = _

3 + 6 = _

7 + 8 = _

8 + 7 = _

9 + 2 = _

2 + 9 = _

4 + 4 = _

4 + 3 = _

9 + 9 = _

9 + 8 = _

0 + 0 = _

4 + 0 = _

5 + 2 = _

2 + 5 = _

3 + 3 = _

3 + 2 = _

6 + 6 = _

6 + 7 = _

6 + 1 = _

1 + 6 = _



Name

E25

FL Benchmark

MA.2.A.2.1


Make-a-Ten AgainCircle ten. Then write the make-a-ten fact to solve for the total number of animals.

Writing and Reasoning How did you decide which make-a-ten fact to use? Explain.

8 _ + 5 _ = ?

10 _ + 3 _ = 13 _

_ + _ = ? _ + _ = _

_ + _ = ? _ + _ = _

_ + _ = ? _ + _ = _



Name

E26

7

4 3

11

6 5

14

5 9

13

7 6

FL Benchmark

MA.2.A.2.1


Fact FamilyUse the numbers inside each triangle to write a set of related facts. Write two addition and two subtraction sentences for each triangle.

Writing and Reasoning Draw another fact family triangle. Have a partner write the related subtraction and addition facts.

3 _ + 4 _ = 7 _

_ + _ = _

7 _ - 3 _ = 4 _

_ - _ = _

_ + _ = _

_ + _ = _

_ - _ = _

_ - _ = _

_ + _ = _

_ + _ = _

_ - _ = _

_ - _ = _

_ + _ = _

_ + _ = _

_ - _ = _

_ - _ = _



Name

E27

FL Benchmark

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What Is the Difference?Each box has four subtraction sentences.

Two are written across. The other two are written down.

Fill in the missing numbers so each subtraction sentence is correct.

1. 2.

3. 4.

Writing and Reasoning How did you find the missing numbers in the top row in Exercise 4?

12 - 6 = 8 - =

- 5 = - 3 =

-

=

9

-

=

4

-

=

4

-

=

-

=

-

=

5

-

6

=

-

4

=

3

- = 1

- = - 1 =

- 4 =

6 _

_

8 _

_

_ _

3 _ _

_ _

_ _

_ 3 _

_

_

_



Name

E28

Fix ItJake completed the tables below, but he made one mistake in the Out column of each table. Cross out each mistake. Write the correct number next to each cross out.

1. Rule: Add 4. 2. Rule: Add 3. 3. Rule: Add 7.

4. Rule: Add 6. 5. Rule: Add 9. 6. Rule: Add 8.

In Out

5 9

4 8

7 12

9 13

In Out

6 9

8 11

7 10

9 13

In Out

4 11

6 14

9 16

5 12

FL Benchmark

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Writing and Reasoning The rule is Add 4. If the Out number is 12, what is the In number? Explain.

In Out

3 11

4 12

6 13

8 16

In Out

4 10

9 14

8 14

0 6

In Out

1 10

5 13

7 16

8 17



Name

E29

12 17 13 15

Out

In

Rule: -8

Rule: -7

Rule: -5

Rule: -6

Rule: -9 14 11 10 9

Out

In

14 12 13 9

Out

In

9 11 12 8

Out

In

14 17 13 9

Out

In

FL Benchmark

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“Sub”traction RulesThese submarines are on a search to fi nd missing numbers.

Use the rule on each submarine to complete the tables.

Writing and Reasoning Make your own subtraction submarine and have a classmate complete it.



Name

E30

MUFFINS

BAGELS

SUGAR COOKIES

OATMEAL COOKIES

Muffins: 4 per tray

Bagels: 6 per basket

sugar: 7 per tray oatmeal: 8 per tray

Cookies:

FL Benchmark

MA.2.A.6.1


Repeat BakeryDraw pictures and write the total number for each item the baker is selling.

Writing and Reasoning Write a problem like the one above.



Name

E31

116 +

8 +

12 4 +

15 + 6

17

10

+ 5

13 + 5

FL Benchmark

MA.2.A.4.4


Balance Things OutWrite the missing addend to make the sides balance.

Writing and Reasoning Write your own balancing problem like the problems above.



Name

E32

2 2

5 4 0 1

3 2

1 5

3 4

2 1

4 0

1 7 3 2

5 4 3 2

6 2

3 7

1 2 5

6 4

2 7

3 4 5 5

8 3

FL Benchmark

MA.2.A.4.4


A Balancing ActLook at the numbers in each grid. Write numbers in each row so that all four rows have the same sum.

1. 2.

3. 4.

Writing and Reasoning Explain how you decided what numbers to write in the grid for Exercise 2.



Name

E33 Grade 2

1 2 3 4 5 6 7 8

11 12 13 14 15 16 17 19

21 22 23 24 25 26 28 29

31 32 33 34 35 37 38 39

41 42 43 44 46 47 48 49

51 52 53 55 56 57 58 59

61 62 64 65 66 67 68 69

71 73 74 75 76 77 78 79

82 83 84 85 86 87 88 89

91 92 93 94 95 96 97 98 99

9

20

30

40

50

60

70

80

90

100

10

18

27

36

45

54

63

72

81


FL Benchmark

MA.2.A.2.2Add to the ScoreUse the hundred chart to help you solve the problems.

Color the numbers you used to solve each problem on the hundred chart. Use a different color for each exercise.

Writing and Reasoning Choose a numberless than 50. Add 24 to your number. Describe thepath to follow to find the sum.

1. 12 + 33 = — 4. 13 + 32 = —

2. 17 + 30 = — 5. 45 + 3 = —

3. 45 + 50 = — 6. 18 + 30 = —



Name

E34 Grade 2

Break Apart to MatchDraw a line to connect each number sentence on the left to its matching break-apart sentence on the right.

12 + 9 = — • • 50 + 1 = —

27 + 6 = — • • 20 + 7 = —

45 + 6 = — • • 60 + 7 = —

32 + 9 = — • • 20 + 1 = —

18 + 9 = — • • 40 + 4 = —

66 + 7 = — • • 40 + 1 = —

39 + 5 = — • • 30 + 3 = —

58 + 9 = — • • 70 + 3 = —

FL Benchmark

MA.2.A.2.2


Writing and Reasoning Write the sum for each problem. See if the sums for matching addition sentences are the same to check your work.

MXEFL11AWK2X_EN_C5_V12.indd 34MXEFL11AWK2X_EN_C5_V12.indd 34 1/21/09 10:11:56 AM1/21/09 10:11:56 AM


Name

E35 Grade 2

Tens and Ones CombinationsUse the tens and ones numbers in the box to complete each problem. Some numbers can be used more than once. Then write the sums for the tens and for the ones.


FL Benchmark

MA.2.A.2.2

50 4 30 9 20

40 7 60 8

10 5 2 3 70

Writing and Reasoning Explain how you decided which tens and ones numbers to use for Exercise 4.

1.

2.

3.

4.

30 —

+ —

—

+ —

—

+ —

= 92

—

+ —

—

+ —

—

+ —

= 71

—

+ —

—

+ —

—

+ —

= 93

—

+ —

—

+ —

—

+ —

= 100

+ +

++



Name

E36 Grade 2

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Match the SumsDraw a line to connect each number sentence on the left to the number sentence on the rightthat has the same sum.

19 + 37 = 30 + 28 =

43 + 18 = 20 + 36 =

56 + 27 = 60 + 10 =

32 + 19 = 31 + 20 =

67 + 23 = 41 + 20 =

29 + 29 = 40 + 44 =

39 + 45 = 60 + 23 =

58 + 12 = 70 + 20 =


FL Benchmark

MA.2.A.2.2

Writing and Reasoning Write two pairs of addition sentences that have matching sums.



Name

E37 Grade 2

FL Benchmark

MA.2.A.2.2


Addition in the Air Solve each problem. Write the sum in the basket.

1.

3.

2.

4.

Writing and Reasoning If a sum has a 4 in the tens place, color its balloon red; a 5 in the tens place, color its balloon orange; a 6 in the tens place, color its balloon green; and a 7 in the tens place, color its balloon yellow.

There are 43 large balloons and 27 small balloons. How many balloons are there in all?

There are 25 red balloons and 27 blue balloons. How many balloons are there in all?

Andre flew 37 balloons. His dad flew 31. How many balloons did they fly in all?

Arne saw 17 balloons. Patricia saw 29. How many balloons did they see in all?

—

balloons — balloons

—

balloons — balloons



Name

Grade 2E38

34 22

37

2843

14

30

Estimation TimeLook at the number on each sheep’s tag. Write the nearest tens number for each on the sheep. Circle 3 sheep tags that would have an estimated sum that is less than 100.


FL Benchmark

MA.2.A.2.3

Writing and Reasoning What is a different combination of 3 numbers that would have an estimated sum that is less than 100?



Name

E39 Grade 2


FL Benchmark

MA.2.A.2.2

Writing and Reasoning Write a number sentence for the blank fish so there are two fish for each color listed.

52 → orange 61 → red 73 → green 84 → blue

37 + 36 =

tens ones

14 + 47 =

tens ones

48 + 36 =

tens ones

+ =

tens ones

47 + 37 =

tens ones

26 + 26 =

tens ones

37 + 36 =

tens ones

39 + 22 =

tens ones

Go FishWrite the total number of tens and ones for each fi sh.

Write the sum on the tail. Use the code to color the fi sh.



Name

E40 Grade 2

Tens Ones

Tens Ones


FL Benchmark

MA.2.A.2.2What is the Problem?The models below can be used to solve problems.Write a problem for each model. The fi rst problem is started for you.

1.

2.

Writing and Reasoning Draw quick pictures of models for another problem and solve.

Jimmy collected 35 apples.



Name

E41 Grade 2

B1 2

+ 4 9

15

Tens Ones

B1 2

+ 4 9

1

1

6

Tens Ones

B3 7

+ 4 53

1

8

Tens Ones

B3 7

+ 4 5

Tens Ones

B22

6+ 2 6

24

Tens Ones

B2 6

+ 2 6

Tens Ones

B71

2+ 1 9

18

Tens Ones

B7 2

+ 1 9

Tens Ones


FL Benchmark

MA.2.A.2.2Adding ErrorsFind the errors in the addition problems. Circle the errors. Then show how to do the problem correctly.

1. 2.

3. 4.

Writing and Reasoning Describe the error you found in Exercise 4.



Name

E42 Grade 2

19 + 52

45 + 18

17 + 34

26 + 49 38 + 18

+

5 1 +

6 3

+

5 6 +

7 5

+

7 1

Butterfly AdditionMatch each caterpillar to the correct sum on a butterfl y. You may wish to rewrite the problem on the butterfl y.


FL Benchmark

MA.2.A.2.2

Writing and Reasoning Choose one of the sums. Write a number sentence with this sum and two 2-digit addends that does not involve regrouping.



Name

E43 Grade 2

18+18

24+17

25+34

17+25

36+2652

+1833

+4542+38

71+19

62+29

START

Trace the PathTrace your way around the treasure map.

Find each sum. Draw the path by following the sums from least to greatest.


FL Benchmark

MA.2.A.2.2

Writing and Reasoning What are two 2-digit numbers that have a sum of 83?



E44 Grade 2


Writing and Reasoning What can you do to the crossed off number sentence in Exercise 4 to get the same difference?

FL Benchmark

MA.2.A.2.2Which Difference Is Different?Use a hundred chart to fi nd the difference for each subtraction sentence. Cross out the different difference in each exercise.

1.50 - 30 = — 60 - 40 = — 50 - 20 = —

2.64 - 20 = — 64 - 22 = — 50 - 8 = —

3.36 - 9 = — 43 - 13 = — 34 - 7 = —

4.50 - 18 = — 52 - 18 = — 45 - 11 = —

5.36 - 18 = — 40 - 12 = — 40 - 22 = —

6.32 - 6 = — 36 - 10 = — 46 - 30 = —



E45 Grade 2


FL Benchmark

MA.2.A.2.2A Maze of ThirtiesHelp the kitten fi nd her ball of yarn.

Break apart ones if needed to fi nd the difference in each box. Color the boxes with a difference of 30, 31, or 32.

Writing and Reasoning Write two more number sentences with a difference of 32 in the empty boxesso the kitten can get to her bowl of milk.

39 - 7 = — 45 - 4 = — 47 - 7 = —

37 - 5 = — 38 - 8 = —

49 - 5 = — 38 - 7 = —

38 - 6 = —

25 - 8 = — 40 - 8 = — 37 - 7 = —

27 - 6 = — 28 - 5 = — 39 - 8 = —

37 - 6 = —



E46 Grade 2


FL Benchmark

MA.2.A.2.2Subtraction BingoFind the difference for each subtraction sentence. Break apart numbers or use a number line to help you.

Draw a line through squares with the same difference.

35 - 14 = —

26 - 14 = —

35 - 19 = —

33 - 19 = —

62 - 36 = —

29 - 12 = —

39 - 18 = —

42 - 19 = —

64 - 29 = —

53 - 28 = —

55 - 16 = —

43 - 28 = —

32 - 19 = —

53 - 12 = —

52 - 9 = —

61 - 25 = —

41 - 13 = —

47 - 26 = —

68 - 39 = —

57 - 19 = —

62 - 17 = —

46 - 28 = —

54 - 17 = —

40 - 19 = —

Writing and Reasoning Write two more problems with a difference of twenty-one. Be sure to have two 2-digit numbers in each problem.



E47 Grade 2


FL Benchmark

MA.2.A.2.2The Art of DifferencesDraw a diagram to solve each problem.

Emilio needs 34 markers for his project. He has only 22.

How many more markers does he need?

— markers

37 proj ects were drying on the counter. 24 students picked up their projects. How many projects are

still on the counter?

—

projects

Terrell had 97 pieces of paper to draw on. He used 63. How many pieces does he have left?

— pieces of paper

26 students made paintings in class. 17 of those students are

girls. How many are boys?

— boys

Writing and Reasoning Write your own 2-digit subtraction word problem about art class.



E48 Grade 2


FL Benchmark

MA.2.A.2.3Match It UpFind the nearest ten for each number. Match each number sentence to its estimate on the right.

1.82 - 46 = — 20

2.38 - 23 = — 20

3.69 - 13 = — 30

4.60 - 42 = — 30

5.58 - 27 = — 60

6.78 - 27 = — 50

7.80 - 17 = — 60

8.96 - 18 = — 80

Writing and Reasoning Solve each of the problems above once you have matched it with its estimate.



E49 Grade 2


FL Benchmark

MA.2.A.2.2Choose the NumbersUse the numbers below to make subtraction problems with regrouping. Then solve. Draw a picture to help you.

28 33 45 43 39 36

Subtract —

from —

.

—

tens —

ones

—

Subtract —

from —

.

—

tens —

ones

—

Subtract —

from —

.

—

tens —

ones

—

Subtract —

from —

.

—

tens —

ones

—

Writing and Reasoning How did you know if a problem needed regrouping?



E50 Grade 2


FL Benchmark

MA.2.A.2.2Subtraction RiddlesSolve each subtraction problem. Each difference matches up with a letter. Write that letter below your answer to solve the riddle.

A21

B32

C9

D11

E40

F49

G17

H2

I16

J10

K23

L51

M28

N26

O29

P71

Q65

R50

S14

T1

U34

V18

W52

X44

Y47

Z8

What falls in winter but never gets hurt?

————

What room can no one enter?

————

What has a mouth but can never eat?

A ————

Writing and Reasoning Write another riddle using the code.

50 -22

_

44 -10

_

28 -14

_

38 -36

_

75 -25

_

50 -21

_

38 - 9

_

54 -26_

21 - 7

_

44 -18

_

38 - 9

_

63 -11_

67 -17

_

28 -12

_

57 -39

_

60 -20

_

59 - 9

_



E51 Grade 2

Name

85;

68;

36;

48;

51;

72;

60;

34;

24;

17;

START

FINISH


FL Benchmark

MA.2.A.2.2Race to ZeroSubtract along the race course to fi nd the winner.

Each car has a number. Subtract that number from each pit stop along the course. The winning car is the one to reach zero.

Writing and Reasoning What could you subtract from the car in second place to make it a tie?



E52 Grade 2


FL Benchmark

MA.2.A.2.2How Many Could There Be?Write and solve two subtraction problems that show how many of each animal there might be. Then write the numbers.

1. There are four different kinds of animals on the farm.

There is a different number of each kind of animal.

There are 19 more cows than sheep.

There are 19 more ducks than hens.

There are more hens than cows.

—

cows

—

sheep

—

ducks

—

hens

Writing and Reasoning How did you find the answers?



E53 Grade 2

Name

4 82 1

43

Tens Ones

B32 15

52 1

61

Tens Ones

B7 8

2 6

22

Tens Ones

B

B4 8

2 9

92

Tens Ones

B

184

2 1 1

13

Tens Ones

B 2 82 1

01

Tens Ones

B

1, 3, 4, 9, 5, 2, 8


FL Benchmark

MA.2.A.2.2The Lost DigitsThese subtraction problems are missing some digits.

Can you put them back where they belong?

Write the correct digits in the boxes.1. 2. 3.

4. 5. 6.

Writing and Reasoning How did you choose which number to use in Exercise 6?



E54 Grade 2


FL Benchmark

MA.2.A.2.2Add It Up – Take It AwayPierre wants to check his homework. His teacher explained that he could check an addition problem by using the same numbers in a subtraction problem.

Solve each addition problem. Then subtract to check.

Addition Subtraction Addition Subtraction

1. 2.

3. 4.

Writing and Reasoning How did you knowwhere to place each number from the addition problemin the subtraction problem?

1 1 4

+ 2 7

__

4 1

5 3

+ 3 6

__

3 4

+ 1 7

__

7 1

+ 1 9

__

-

__

5 3

4

3

/ 1

11 /

- 2 7

__

1 4

-

__

3 4

-

__

7 1



E55

Name

FL Benchmark

MA.2.A.2.2


Domino BreakEach set of dominos shows a 3-digit addend on top and another on the bottom. Break apart the addends. Solve and write the sum.

Writing and Reasoning Draw your own set of dominoes to show three-digit addition. Give it to a partner to solve.

1.

600 __ + 40 __ + 3 _

100 __ + 10 __ + 2 _

755 __

2.

__ + __ + _ __ + __ + _

__

3.

__ + __ + _ __ + __ + _

__

4.

__ + __ + _ __ + __ + _

__

5.

__ + __ + _ __ + __ + _

__

6.

__ + __ + _ __ + __ + _

__



Name

E56

FL Benchmark

MA.2.A.2.2


The Read-a-ThonFairview School had a summer read-a-thon.

Use the table. Add to fi nd the total number of pages read. Circle the grade that read the most.

Writing and Reasoning Write the grades in order from greatest number of pages read to least number of pages read.

Grade Homeroom #1 Homeroom #2 Total Pages Read

1 367 pages 332 pages __ pages










Name

E57

200

+ 500

700

400

+ 300

700

400

+ 300

700

200

+ 500

700

FL Benchmark

MA.2.A.2.3


The Nearest HundredWrite an original addition problem for each estimated problem. Give two possibilities.

Writing and Reasoning How did you decide which numbers to use?

1.

2.

3.

__

+ __

__

__

__

+ __

__

__

__

+ __

__

__

__

+ __

__

__

__

+ __

__

__

__

+ __

__

__

100

+ 200

300

100

+ 200

300



Name

E58

+

TensHundreds Ones

+

TensHundreds Ones

+

TensHundreds Ones

+

TensHundreds Ones

1. 6, 5, 3, 1, 2, 4 2. 4, 4, 1, 3, 3, 9

3. 2, 1, 3, 7, 2, 4 4. 4, 3, 2, 2, 1, 6

Writing and Reasoning How did you make sure the ones would need to be regrouped?


FL Benchmark

MA.2.A.2.23-Digit ScrambleUse each set of digits to make an addition problem that requires you to regroup the ones. Then solve.



Name

E59

+ +

+ +

1 68

4 25

3 47

1 56

1 27

6 35

3 19

4 25


FL Benchmark

MA.2.A.2.23 on 3 TournamentUse the numbers on the uniforms to make an addition problem. Write the sum.

1. 2.

3. 4.

Writing and Reasoning Create your own 3-digit addition problem with regrouping for a friend to solve.



Name

E60


FL Benchmark

MA.2.A.2.2Paint by RegroupingFind each sum. Use blue to circle the problems where you regrouped twice. Use green to circle the problems where you regrouped once. Use yellow to circle the problems with no regrouping.

1. 2. 3.

4. 5. 6.

7. 8. 9.

1 2 7 + 2 9 3

__

7 0 9 + 2 1 6

__

7 8 5 + 1 5 2

__

8 2 5 + 1 2 3

__

3 7 8 + 2 0 4

__

5 6 1 + 3 2 7

__

4 8 6 + 3 3 5

__

2 0 0 + 5 0 0

__

2 8 7 + 5 3 6

__

Writing and Reasoning Why do you sometimes need to regroup in 3-digit addition?



Name

E61

359

717

464

225108

589

358

398

253

179500

469


FL Benchmark

MA.2.A.2.2Addition Wheels

Nia wants to find two addends that have a sum of 717. She gives each addition wheel a spin. Which two numbers does Nia spin to reach a sum of 717?

__ and __

Which other two numbers can Nia spin to reach a sum of 717?

__ and __

Writing and Reasoning Write and solve two problems using numbers from the spinners to practice 3-digit addition.



Name

E62

Find the MistakesCircle the mistake or mistakes in each problem.

Then write the correct numbers and solve.

1.

2.

3.

6 4 2 - 2 0 0

__

4 4 2

+ 2

__

444

6 4 2 - 2 9 8

__

344

9 1 2 - 3 9 9

__

9 1 2 - 4 0 0

__

5 1 2

+ 9

__

521

Writing and Reasoning How did the mistake in Exercise 2 make the answer wrong?


FL Benchmark

MA.2.A.2.2

8 9 8 - 4 9 1

__

8 9 8 - 4 0 0

__

4 9 8

+ 9

__

507



Name

E63

What’s the Difference?Use the information on the farmer’s list to write and solve each subtraction problem. Use manipulatives to help you.

1. How many more oranges than apples?

390 oranges

———

- 278 apples

————

112 — more oranges

2. How many more bananas than pears?

————

———

— more bananas

3. How many more roses than lilies?

———

————

— more roses

4. How many more daisies than violets?

————

————

— more daisies

Writing and Reasoning Use the list to write your own subtraction problem. Have a classmate solve it.


FL Benchmark

MA.2.A.2.2



Name

E64


What Numbers Can You Use?Look at the numbers used to estimate differences. Write subtraction problems for which you could use these estimates.

1.300 300

- - 200 - - 200

100 100

2. 700 700

- - 300 - - 300

400 400

3. 800 800

- - 600 - - 600

200 200

Writing and Reasoning How did you choose numbers for Exercise 3? Explain.

FL Benchmark

MA.2.A.2.3



Name

E65


FL Benchmark

MA.2.A.2.2Subtraction StepsSolve each subtraction problem on the ladders to reach the top. Regroup tens if necessary.

B B

7 9 3 - 1 2 9

B B

8 8 5 - 2 2 8

B B

9 7 5 - 1 1 8

B B

6 6 4 - 2 1 7

B B

6 5 7 - 1 1 9

B B

8 5 7 - 3 1 9

B B

4 4 7 - 1 1 9

B B

5 3 8 - 2 1 9

B B

5 3 8 - 1 1 9

B B

3 2 8 - 1 0 9

B

B

3 1 9 - 1 1 9

B

B

4 1 9 - 1 0 9

Writing and Reasoning Create a subtraction problem of your own that requires regrouping tens.



Name

E66


Writing and Reasoning What relationship do you see between the subtraction and addition problems?

7 1

1 7

+ 2 5 8

__

9 7 5

+ 3 5 5

__

+ 3 4 6

__

+ 4 6 8

__

+ 2 7 0

__

+ 1 7 3

__

FL Benchmark

MA.2.A.2.2Check It OutSolve each subtraction problem. Then complete the addition problem to check your work.

1. 2.

3. 4.

5. 6.

8 4 9 - 3 5 5

__

6 2 7 - 3 4 6

__

7 9 3 - 4 6 8

__

5 4 6 - 1 7 3

__

4 3 8 - 2 7 0

__

9 7 6

/ 5 15 /

- 2 5 8

__

7 1 7



Name

E67

-

-

- -

=

-

=310

718

246

189

246

371843

- =

=

=

=

=

=

-

-

FL Benchmark

MA.2.A.2.2


Follow the Arrows to SubtractFollow the arrows and subtract along the way. Start in the top left corner and solve your way around.

Writing and Reasoning How is regrouping in subtraction different from regrouping in addition?



Name

E68

FL Benchmark

MA.2.A.2.2


Mystery NumberSubtract to fi nd each difference.

Color the box of each difference that has a 3 in the hundreds place to discover the mystery number.

Writing and Reasoning What is the mystery

number? —

When you regroup hundreds to subtract, what are you adding to the tens place?

4

0 7

- 2 5 9

__

9

0 1

- 5 3 9

__

7

0 2

- 3 5 5

__

7 0 4 - 3 5 2

__

8 0 9 - 3 7 9

__

5

0 8

- 1 1 9

__

4

0 2

- 1 7 4

__

8 0 8 - 4 3 7

__

9

0 2

- 5 3 8

__

6 0 9 - 2 6 9

__

3 0 3 - 1 1 1

__

5 0 8 - 1 8 3

__



Name

E69

Compared to MeHave a classmate cut a piece of string to match your height. Compare the length of your string to each real object. Check the correct box with an X.

Find the object.Shorter than

my stringLonger than

my string

1.

2.

3.

4.

5.

Writing and Reasoning Find something else longer than your piece of string. Write a sentence to show what you found.


FL Benchmark

MA.2.G.3.3

MXEFL11BWK2X_EN_C9.indd E69MXEFL11BWK2X_EN_C9.indd E69 6/6/09 12:20:55 PM6/6/09 12:20:55 PM


Name

E70

eraser eraser eraser

Compare to Measure1. Lisa’s paintbrush is about 8 buttons long. A piece of

chalk is about 4 buttons long. About how many pieces of chalk long is the paintbrush?

about —

pieces of chalk

2. Jose’s picture frame is 2 pencils long. A pencil is about 3 erasers long. About how many erasers long is the picture frame?

about —

erasers

3. A party sandwich is 4 marker boxes long. Each box of markers is 2 stickers long. About how many stickers long is the sandwich?

about —

stickers

FL Benchmark

MA.2.G.3.3


Writing and Reasoning If the eraser in Exercise 2 is 2 buttons long, about how many erasers long is the paintbrush?



Name

E71

The Long and Short of ItUse each picture to estimate the length ofa classroom object. Draw and label the object below the picture.

1. The string is 2 inches long. Find an object that is about 3 inches long.

2. The crayon is 4 inches long. Find an object that is about 7 inches long.

3. The paperclip is 1 inch long. Find an object that is about 5 inches long.


FL Benchmark

MA.2.G.3.1

Writing and Reasoning How did you use the pictures to estimate?



Name

E72

about inchesabout inches

about inches

about inch

about inches

Measure the ToolsMeasure all of Carpenter Dan’s tools with your ruler. Write about how long each tool is below it. Circle the tools that are shorter than 5 inches.


Writing and Reasoning Draw another tool that Carpenter Dan might have with him. Measure it and write the length.

FL Benchmark

MA.2.G.3.1



Name

E73

MountFairlane

Newtown

Deerview

Sycamore

Crown Grove

Huntley

Sidell

Westville

Oak Hollow

Anson

Map MeasurementsUsing a ruler, measure from point to point on the map.

Write each distance to the nearest inch.

Writing and Reasoning Find the total distance following along the lines from Mount Fairlane to Anson and Deerview to Sidell. Which is greater? Explain.


FL Benchmark

MA.2.G.3.1

MXEFL11AWK2X_EN_C9_V9.indd E73MXEFL11AWK2X_EN_C9_V9.indd E73 1/21/09 9:39:31 AM1/21/09 9:39:31 AM


Name

E74

Handy MeasuringTrace the outline of your index fi nger. Measure your fi nger outline with an inch ruler and write down about how many inches long it is.

Estimate the lengths for the items below in fi ngers. Check your estimates by measuring with your fi nger and writing your answers in the second and third columns.

Object Estimate Actual

notebook —

fingers —

fingers about

— inches

pencil —

fingers —

fingers about —

inches

marker —

fingers —

fingers about —

inches

tape dispenser —

fingers —

fingers about —

inches

Writing and Reasoning Why would it be useful to be able to estimate measurements using your finger?


FL Benchmark

MA.2.G.3.1

My finger is about —

inches long.



Name

E75


FL Benchmark

MA.2.G.3.2How Tall Are You?Work with a partner. Lie on the fl oor and ask your partner to place a piece of tape on the fl oor at the top of your head and at the bottom of your feet.

Measure to fi nd your height to the nearest inch. Then measure to fi nd your height to the nearest foot.

Write your measurements below.

I am —

inches tall.

I am about —

feet tall.

Writing and Reasoning Twenty-seven inches is the same as 2 feet 3 inches. What is your height in feet and inches?



Name

E76

Length Riddles Find a real object to fi t the clues.

Measure the object. Remember to label your measurement with the unit you used (inches, feet, yards).

Then draw and label the object.

Find an object. Measure it. Draw it.

1. I am longer than 6 inches but shorter than one foot.

—

—

—

2. I am longer than one foot but shorter than one yard.

—

—

—

3. I am longer than one yard.

—

—

—

Writing and Reasoning Write a riddle for a partner to solve. Have your partner find an object, measure it, and draw it.


FL Benchmark

MA.2.G.3.2



Name

E77

Centimeter ClipsRead each problem. Write your measurement.

Use small paper clips to measure. Each small paper clip is about 3 centimeters long.

1. This is part of a toy train track.About how many centimeters long is it?

about —

centimeters

2. This caboose is from John’s collection.About how many centimeters long is it?

about —

centimeters

3. John needs to buy an engine for his train. About how many centimeters long is it?

about —

centimeters

Writing and Reasoning Find an object in your classroom that is about 5 small paper clips long. About how many centimeters long is it?


FL Benchmark

MA.2.G.3.1



Name

E78

Colorful VeggiesColor the vegetables that are 10 centimeters or longer yellow.

Color the vegetables that are shorter than 10 centimeters green.


FL Benchmark

MA.2.G.3.1

Writing and Reasoning If you lined up all the same-color vegetables in two different rows, which row would be longer? Explain.

MXEFL11AWK2X_EN_C9_V9.indd E78MXEFL11AWK2X_EN_C9_V9.indd E78 1/21/09 9:40:28 AM1/21/09 9:40:28 AM


Name

E79

Measure by Hand Make an estimate. Then measure real objects.


FL Benchmark

MA.2.G.3.1

1. Use your to measure.



Estimate: —

fingers

Estimate: —

palms

Estimate: —

fingers

Actual: —

fingers

Actual: —

palms

Actual: —

fingers

Writing and Reasoning In Exercises 1–3, you used different parts of your hand as measurement units. Which unit was the best unit to use? Explain.



Name

E80

Centi-Meter FeverFind real objects that fi t the clues.Measure each object. Use centimeters or meters for the units. Then draw and label it.

Find an object. Measure it. Draw and label it.

1. I am shorter than 10 centimeters.

—

—— —

2. I am longer than 50 centimeters but shorter than 1 meter.

—

—— —

3. I am longer than 1 meter.

—

—— —

Writing and Reasoning How much longer is the object in Exercise 2 than the object in Exercise 1? Explain.


FL Benchmark

MA.2.G.3.2



Name

E81


Distance Drawings

1. Use a ruler to draw two different shapes. The total distance around each shape must be 12 centimeters. Label the length of each side.

2. Use a ruler to draw two different shapes. The total distance around each shape must be 16 centimeters. Label the length of each side.

FL Benchmark

MA.2.A.2.4

Writing and Reasoning Describe how you used the total distance given in Exercise 1 to decide how long the sides of each shape should be.



Name

E82

inch ruleryardstickmeter stickstringcentimeter ruler

Measurement HikeHelp Benino and Rory take a few measurements on their hike. Draw lines to match each item to the tool that would work best to measure it. You may use a tool more than once, but be sure to use all of the tools.


FL Benchmark

MA.2.G.3.4

Writing and Reasoning How did you decidewhich tools to match to the items being measured?



Name

E83

FL Benchmark

MA.2.G.5.4


item weight in ounces weight in pounds

1.strawberries

16 ounces 1 —

pound

2.squash

—

ounces 1 pound

3.apples

48 ounces —

pounds

4.carrots

32 ounces —

pounds

5.watermelon

—

ounces 5 pounds

Writing and Reasoning How many pounds of groceries do Celenia and her father buy in all? Write a number sentence below and solve.

Ounces and PoundsCelenia goes grocery shopping with her father. She wants to fi nd the weight of each item in ounces and in pounds. Help Celenia fi nd the weights.



Name

E84

FL Benchmark

MA.2.G.5.4

grams kilograms

Item 1

object: —

mass: about —

grams

Item 1

object: —

mass: about —

kilograms

Item 2

object: —

mass: about —

grams

Item 2

object: —

mass: about —

kilograms

Writing and Reasoning How did you decide whether the object should be measured in grams or kilograms? Explain.

Measuring MassLook around the classroom.

Choose two objects to measure in grams.

Choose two objects to measure in kilograms.

Draw and label the objects. Then measure.




Name

E85

CranberryJuice CranberryJuice

Juice

Orange

Juice

Orange

Juice

Orange

Juice

Orange

GrapeJuice

GrapeJuice

GrapeJuice

GrapeJuice

GrapeJuice

GrapeJuice

PineappleJuice

PineappleJuice

FL Benchmark

MA.2.G.5.4

Writing and Reasoning How many total cups of juice does Aunt Nomary need to make her punch for the party?

— cups

How many gallons of juice are needed to make the punch? —

gallons


How Many Cups of Juice?Aunt Nomary is making fruit punch for a party.

The recipe calls for different amounts of each juice below.

How many cups of each juice does Aunt Nomary need?

1.

1 quart apple juice = —

cups

2.

2 gallons cranberry juice = —

cups

3.

4 pints orange juice = —

cups

4.

2 quarts pineapple juice = —

cups

5.

6 pints grape juice = —

cups



Name

E86

500 mL

1 liter

Z

YX

1 liter

W

V

500 mL

FL Benchmark

MA.2.G.5.4

Z = —

mL

Y = —

mL

X = —

mL

W = —

mL

V = —

mL

Writing and Reasoning If each beaker were filled to the top line, how many milliliters would they hold altogether? How many liters?


Liter BeakersWrite the correct measurement for each mark on the liter beakers.



Name

E87

FL Benchmark

MA.2.G.5.4

Writing and Reasoning Draw a figure to build with cubes. Trade drawings with a partner. Build the figure your partner drew with cubes. Write the volume.


Volume of Irregular FiguresBuild the fi gure with cubes.

Write the volume.

1.

Volume: —

cubes

2.

Volume: —

cubes

3.

Volume: —

cubes

4.

Volume: —

cubes



Name

E88

= =

?

?

?

Writing and Reasoning Draw a set of shapes that would balance 12 triangles.


Balancing ShapesUse triangles to balance each pair of shapes.

Use the key as your guide.

KEY

1.

I would need 3 triangles —

to balance the shapes.

2.

I would need —

to balance the shapes.

FL Benchmark

MA.2.A.4.4



Name

E89

masidesrtm

nbegtkuere

squaredcab

euahiwptpv

fstcablaee

yhhynianzr

emrlgcngot

caealaelie

oaesegdedx

sqcircleie


FL Benchmark

MA.2.A.2.4

Writing and Reasoning What do you notice about the number of sides and vertices a geometric shape has?

Geometric Shapes PuzzleUse the clues to fi ll in the blanks.

Then fi nd the words in the puzzle below.

1. A c i r c l e has no straight sides.2. A s r e has 4 sides that are all the same length.3. A e c t n g l has 4 vertices.4. A t g l e has fewer than 4 vertices.5. A v t x is a point where 2 sides meet.6. A rectangle has 4 s s.



Name

E90

Build Shapes in Two WaysUse pattern blocks. Find two different ways to make each shape. Draw lines inside the shapes to show your solutions.

1.

2.

3.

Writing and Reasoning What shape can you make using 4 squares? Name or draw the shape.


FL Benchmark

MA.2.G.5.1



Name

E91

Build ItUse pattern blocks or draw. Write the number of smaller shapes you use to make each larger shape.

1.

—

2.

—

3.

—

and —

4.

—

and —


FL Benchmark

MA.2.G.5.1

Writing and Reasoning Look at Exercise 1. Draw another way to make this shape with more than one pattern block that is not a triangle.



Name

E92


FL Benchmark

MA.2.G.5.1Equal PartsCircle the shapes in each row that show the correct number of equal parts for each whole.

halves

thirds

fourths

Writing and Reasoning Write a problem about equal parts of a whole. Have a classmate solve it.



Name

E93


FL Benchmark

MA.2.A.4.3Pattern MatchMake a prediction about each pattern. Color to match each pattern unit with the correct pattern. Then complete the pattern to check your work.

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Writing and Reasoning Draw shapes to make your own pattern.

—

—

—

—

—

—

—

—

—

—

—

—



Name

E94

red

yellow

orange


FL Benchmark

MA.2.A.4.3Repeating Patterns Each pattern unit is made with 3 items. Extend each pattern. Then use the key to color the columns for each pattern.

Writing and Reasoning Draw your own pattern using the key.



Name

E95


FL Benchmark

MA.2.A.4.3Field DayThe parents are in charge of equipment for fi eld day. Each station needs equipment in a pattern.

Write the missing number in each pattern.

Draw each set of sports equipment that belongs in the pattern.

1 4 7 —

2 4 6 —

5 6 7 —

Writing and Reasoning Each station needs one more set. How many of each will be in the next set for each pattern?

—

—

—



Name

E96


FL Benchmark

MA.2.A.4.3Circle Pattern Mario wants to draw a pattern with circles. The number of circles changes by 3 from row to row. Draw the circles that could be in the fi rst four rows of Mario’s pattern.

1st row

2nd row

3rd row

4th row

Writing and Reasoning Draw the circles that should be in the 6th row of Mario’s pattern.



Name

E97

PencilsMarkers

Erasers

1¢ each 5¢ each 10¢ each


FL Benchmark

MA.2.G.5.3Find the Total ValueDraw two different sets of supplies for each pencil case. Be sure each case has at least 3 items. Use coins. Find the total value for the supplies in each pencil case.

Writing and Reasoning Can a set with 3 items cost more than a set with 4 items? Give an example.

Pencil Case 1

total value: —

¢

Pencil Case 2

total value: —

¢



Name

E98

25¢ 1¢1¢1¢1¢25¢

1¢1¢1¢1¢


FL Benchmark

MA.2.G.5.3What Is the Missing Coin?Draw and label the coins given.

Then draw the missing coin to fi nd the total value.

1. Jimmy has 2 quarters, 8 pennies, and another coin. He has 63¢ in all. What is the other coin?

missing coin

2. Tisha has 1 half dollar, 5 pennies, 1 nickel, and another coin. She has 70¢ in all. What is the other coin?

missing coin

3. Ed has 1 quarter, 2 nickels, and another coin. He has 85¢ in all. What is the other coin?

missing coin

Writing and Reasoning How did you find the missing coin in Exercise 3?



Name

E99

50¢ 10¢ 5¢ 1¢25¢


FL Benchmark

MA.2.G.5.3Arrange and Count CoinsCashier Rosita dropped her drawer of change. Help her arrange the coins from greatest value to least value. Draw each of the coins from the pile in the correct part of the drawer.

Then fi nd the total value of each type of coin.

Writing and Reasoning Does the greatest number of coins always have the greatest value? Explain.

total value: — ¢

total value: — ¢

total value: — ¢

total value: — ¢

total value: — ¢

50¢



Name

E100

50¢

10¢

25¢

5¢


FL Benchmark

MA.2.G.5.3Making Equal AmountsDraw coins of one kind to show the amount.

Writing and Reasoning Draw one more way to show 50¢ using different coins than the ones above.



Name

E101


FL Benchmark

MA.2.G.5.3Same Amount, Different WaysComplete the tables to show ways to make the same amounts with different coins.

Number of Coins

Quarters Dimes Nickels Total Value

4 3 0 1 80¢

9 0 7 2 80¢

Number of Coins


3 40¢

4 40¢

8 40¢

Number of Coins


4 45¢

5 45¢

6 45¢

Writing and Reasoning Is there a way to show 75¢ using only quarters and dimes? What about 40¢?



Name

E102

nails wire paint brush

screw nut bolt


FL Benchmark

MA.2.G.5.3Comparing at the Hardware StoreWrite the cost of each item. Write >, <, or = to compare the amounts.

1.

17¢ —

C < — C

—

2.

— C

— C

—

Writing and Reasoning Could Tim purchase a screw, nut, and bolt for less than 99 cents? Explain.



Name

E103

$1.001. Ella has these coins.

2. Brad has these coins.

3. Matteo has these coins.

Make a DollarHow much more money does each child need to buy the yo-yo? Draw the coins to solve.


FL Benchmark

MA.2.G.5.3

Writing and Reasoning Look at Exercise 3. Draw another set of coins that you could use to show your answer.



Name

E104

$2.00

$20.00$35.00 $50.00

$8.00 $10.00

1. Carter has one $20 bill and two $10 bills. Does he have enough money to buy a bunny? yes no

2. Brianna has one $20 bill, one $10 bill, and two $5 bills. Does she have enough money to buy a bird?

yes no

3. Cam has one $10 bill and two $5 bills. Does he have enough money to buy a turtle? yes no

Is There Enough Money?Use the picture to solve. Circle yes or no.


FL Benchmark

MA.2.G.5.3

Writing and Reasoning If you circled no for any exercises, tell how much more money you would need to make the purchase.



Name

E105

FLORIDA FUNDS BANK

Account#: 123456

Date: January 19

Type of bill: $10

Number of bills: 10

Type of bill: $20

Number of bills:

Total Amount

FLORIDA FUNDS BANK

Account#: 123456

Date: January 26

FLORIDA FUNDS BANK FLORIDA FUNDS BANK

Total Amount $80

$40

Account#: 123456

Date: February 9

Type of bill: $20

Number of bills: 5

Total Amount

Account#: 123456

Date: February 2

Type of bill:

Number of bills: 8

Total Amount

Act It Out with BillsMs. Carson puts money in her bank account every week.

She fi lls out a deposit slip for each amount. Complete each slip. Use bills to act out each deposit.


FL Benchmark

MA.2.A.6.1

Writing and Reasoning Ms. Carson withdrew $75. She received only one kind of bill. Which bills could she have received? How many of those bills have a total value of $75?



Name

E106

891011 12

7 6 5432

1

891011 12

7 6 5432

1

12:00

6:00891011 12

7 6 5432

1

4:00891011 12

7 6 5432

1

7:00891011 12

7 6 5432

1

Matching the TimeMatch the clocks that show the same time.


FL Benchmark

MA.2.G.5.2

Writing and Reasoning Draw to show the time you ate breakfast today.

1.

2.

3.

4.



Name

E107

891011 12

7 6 5432

1

891011 12

7 6 5432

1

891011 12

7 6 5432

1

891011 12

7 6 5432

1

Telling Time at the ZooBobby and his father go to the zoo.Draw the hour hand on the clock to show what time they leave each part of the zoo.


FL Benchmark

MA.2.G.5.2

Writing and Reasoning The hour hand shows the time that Bobby sat down for dinner. He finished dinner 1 hour later. What time did Bobby finish dinner?

1. They visit monkey island at half past 9:00. They leaveat 10:30.

2. They visit the lion exhibit at half past 10:00. They leaveat 11:30.

3. They visit the reptile house at half past 11:00. They leaveat 12:00.



Name

E108

8

9

1011 12

7 6 54

3

21

8

9

1011 12

7 6 54

3

21

8

9

1011 12

7 6 54

3

21

8

9

1011 12

7 6 54

3

21

8

9

1011 12

7 6 54

3

21

8

9

1011 12

7 6 54

3

21

Make a Time ScheduleSeth is making a schedule of his school day. Fill in the times. Then draw the hands to show each time on the clocks below.


FL Benchmark

MA.2.G.5.2

Writing and Reasoning Make a schedule for your school day on a separate sheet of paper.

Seth’s School Schedule

art 30 minutes after 8:00 8 : 30 —

science 30 minutes before 10:00 —

recess 30 minutes after 10:00 —

lunch 30 minutes before 12:30 —

reading 30 minutes before 1:00 —

math 30 minutes after 12:30 —

art science recess

lunch reading math


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