review for test #2. reading and writing place value ordering add-subtract decimals problem solving...

Review For Test #2

Reading and Writing

Place ValueOrdering Add-Subtract

DecimalsProblem Solving

Rounding

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

Question 1 - 10

Glenn read “Light travels at a speed of 299,792,458 meters per second. What is the value of the 7 in this number?

Answer 1 – 10

Seven Hundred Thousand

Question 1 - 20

The radio announcer reported that we received one and twenty-nine hundredths inches of rain on Tuesday. How is this number written as a decimal?

Answer 1 – 20

1.29

Question 1 - 30

Use the digits 5, 8, 1 and 3 to write the smallest possible whole number in the spaces below. Each digit is only used once.

____,____ ____ ____

Answer 1 – 30

1,358

Question 1 - 40

George, Carl and Sean are playing a math game. In order to win a round a player must have the smallest number. Who has the smallest number in the math game.

George: 23,345,854Carl: 23,657,002Sean: 23,245, 125

Answer 1 – 40

Sean

Question 1 - 50

The table shows the sizes of different rabbits. What is the Average Mass of the average swamp rabbit in words?

Type of Rabbit Average Mass(kg) Average Length (cm)

Eastern Cottontail 1.575 41.8

Swamp Rabbit 2.25 53.45

Black-tailed Jackrabbit

2.7 60

Answer 1 – 50

Two and twenty-five hundredths

Question 2 - 10

Put the companies in order of most toys sold to least toys sold.

Toy Company Toys Produced

Play Toys 12,530,000

Fun About Toys 12,536,000

Toy Tech 11,750,000

Answer 2 – 10

Fun About ToysPlay ToysToy Tech

Question 2 - 20

Becca, Andy, Hannah and Loryn were competing in a mall scavenger hunt. Below are the times in which each girl completed the hunt. Who took the longest in the scavenger hunt?

Becca 34.67 minutesHannah 45.2 minutesAndy 45.234 minutesLoryn 33.8 minutes

Answer 2 – 20

Andy

Question 2 - 30

Write the following numbers in order from least to greatest:

3 3.831 3.08

Answer 2 – 30

33

3.831

Question 2 - 40

Which number is less than 6.427?

6.42 6.49 6.428

Answer 2 – 40

6.42

Question 2 - 50

The following students competed in a race. Who was the first student to cross the finish line?

Name Time (seconds)

Moesha 6.093

Chen 6.2

Rojelio 5.95

Angelica 6.09

Rakheem 6

Jackson 5.701

Answer 2 – 50

Jackson

Question 3 - 10

700.1 + 34.5 =

Answer 3 – 10

734.6

Question 3 - 20

3.56 +67.1__

Answer 3 – 20

70.66

Question 3 - 30

2.3 + 6.78 + 2 + 3.21=

Answer 3 – 30

14.29

Question 3 - 40

7.759 – 0.67=

Answer 3 – 40

7.089

Question 3 - 50

1.009 + .09=

Answer 3 – 50

1.099

Question 4 - 10

Cristin went to the mall to purchase a gift for her sister’s birthday. At the jewelry shop, she bought a necklace for $8.95 and earrings for $5.95. Tax on her purchase was $1.24. How much did Cristin spend?

Answer 4 – 10

$16.14

Question 4 - 20

Ashley saved $1,305.25. She has $530.75 more than Taylor. How much has Taylor saved?

Answer 4 – 20

$774.50

Question 4 - 30

On Monday there were 1,759 students at a science fair exhibition. On Tuesday there were 1,527 students in attendance. On Wednesday 1,645 students were there to view the exhibition. How many more students were present on Wednesday than on Tuesday?

Answer 4 – 30

118 more students

Question 4 - 40

You work 8 hours a day for $5.10 an hour. How much do you make each day?

Answer 4 – 40

$40.80

Question 4 - 50

If sweaters are on sale at Kohl’s for ……..3 for $45.00

What would be the cost of 1 sweater?

Answer 4 – 50

$15.00

Question 5 - 10

Round 765 to the hundreds place.

Answer 5 – 10

800

Question 5 - 20

Round 6,780 to the thousands place.

Answer 5 – 20

7,000

Question 5 - 30

Rich spend $45.67 on three games. Round this amount to the nearest dollar.

Answer 5 – 30

$46.00

Question 5 - 40

Sam bought 36 bedding plants to put in his mother’s flowerbed. Approximately how many plants did he buy?

Answer 5 – 40

40

Question 5 - 50

If there are 52 windows combined on the east and west side of the Alico building and 50 windows combined on the north and south side of the Alico building, about how many total windows are there in the building?

Answer 5 – 50

100