primary mathematics...primary mathematics (singapore math) * primary mathematics helps children make...
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Primary Mathematics(Singapore Math)
* Primary mathematics helps children make connections between pictures, words, and numbers.
* Cumulative program that revisits concepts covered earlier by connecting strands of mathematics.
* Topic intensive, with fewer topics covered per grade level.
* Smaller textbooks, with skills not re-taught formally.
* Mental-math strategies embedded in the program.
* Highly visual program that benefits special-needs students and inclusion students.
Whole and big numbers!
Percenta
ge
Volume
Decimals
Ratio
Geometry
Fracti
ons
Algebr
a
Data
Analy
sis
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MATHEMATICS BEGINS WITH COUNTING!
Children build number sense through repetition and exposure to counting activities.
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NUMBER BONDS
WHOLE-PART-PART COMBINATIONS
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BUILDING MATHEMATICAL UNDERSTANDING
THE INTRODUCTORY STAGE: learning the meaning of addition and moving beyond counting.
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Primary Mathematics
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61 5
Splitting Numbers
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9 + 6 =1 5
10 + 5 = 15
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74What can you tell me about this number?
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2 more than 72
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3 less than 77
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seventy-four
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74
470
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Tens Ones
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4325+_______
86_______
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43 + 25
520340
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27+_______
7649
1
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Place value disks help students visualize
multiplication
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Operations With Place Value Discs and Mat
1
100
Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
1000
10
These tools help reinforce an
understanding of place value, computation, fractions,
decimals, geometry, and measurement.
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Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
1
1101001000
637 x 5
When multiplying using rearranging, which place value do we start with? The largest place value, in this case, the hundreds.
10
10
10
100
100
100
100
100
100
111111
x 5
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Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
What will we be multiplying first?600 x 5
What is 600 x 5?
3,000Keep 3,000 in your head and move to the next
place value, the tens.
1000 110100
1000
1000
1000
x 5
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Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
What will you be multiplying?
30 x 5
1101001000
What is 30 x 5?
150What number are you
holding in your head?3,000
x 51010
10
10
10
100
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Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
What is 3,000 + 150? 3,150 Keep 3,150 in your head and move to the next place value, the ones.
What will you be
multiplying?7 x 5
What is 7 x 5? 35
1101001000
x 5
11
11
1
10
10
10
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Millions HundredThousands
TenThousands Thousands Hundreds Tens Ones
1101001000
What is 3,150 + 35?
3,185
What number are you holding in your head? 3,150
100
1000
1000
1000
10
1010
10
10
1010
10
1
1
1
1
1
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Identifying the value of each number
with place value strips
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Operations With Place Value Strips*Place value strips are key to building an understanding of place value
and the value of digits.
*Students can use them to practice addition, subtraction, multiplication, division, comparing and ordering numbers, among other skills.
9 0, 0 0 0
28 0
7 0 01, 0 0 0
Ones
Ten Thousands
Thousands
Hundreds
TensWhat does 91,782 look like?
What is it composed of?
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What is 100 more than 91,780?
1 0 0
9 0, 0 0 01, 0 0 07 0 08 0291,882
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9 0, 0 0 090,782
What is 1,000 less than 91,782?
1, 0 0 07 0 08 02-1, 0 0 0
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How can you help at home?
*Make-up and play mathematical games with your child using your new manipulatives!
*Use our “Take and Makes”:-Place value mat and discs-Place value strips(copy, color, and laminate them with your child...have fun with it!)
*Mathematics websites for reinforcement and practice, especially for basic facts!(there are a ton of them out there...ask your child’s teacher for quality and approved sites)
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Division:Through
Understanding Place Value
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What strategy would you use to solve this problem?
4816 ÷ 4 =
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The Traditional MethodDoes it show conceptual understanding?
4816 ÷ 4 = 48164-408-8016-16
0
1204Did you learn these steps?
dividemultiplysubtract
bring downWhat happens
when you forget a step?
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Conceptual Method of Division
4816
4,000 16800
481641000
-4000816
quantity in each group
the amount distributed so far
the amount left to be distributed
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Conceptual Method of Division
4816
4,000 16800 481641000
-4000816
-800
1200
16
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Conceptual Method of Division
4816
4,000 16800 481641000
-4000816
-800
1200
16-16
0
1204
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Bar Modeling:For Solving Word Problems
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How would you solve this problem?
Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
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Read the problem.
Underline important information (who and what).
Draw a bar to represent each variable and add labels.
Add information and adjust the bars to match the problem.
Work out the computation.
Write a complete sentence to answer the question.
Problem solving steps:
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Read the problem.
Underline important information (who and what).
Draw a bar to represent each variable and add labels.
Sue Mark
How should I set up the bars?
What are we doing with these 2 numbers?
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Read the problem.
Underline important information (who and what).
Draw a bar to represent each variable and add labels.
Sue
Mark
If Mark has one bar, how long will Sue’s bar be?
Let’s start with one part for Sue. Can we add on to that?
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Draw a bar to represent each variable and add labels.
Sue
Mark
Let’s start with one part for Sue. Can we add on to that?
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Draw a bar to represent each variable and add labels.
Add information and adjust the bars to match the problem.
Sue
Mark
Can we add any information to our model?
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Sue
Mark
What am I trying to solve. Let’s reread the question.
What computation will I have to do?6 x 14
14
14 14 14 14 1414
Add information and adjust the bars to match the problem.
Work out the computation.
Write a complete sentence to answer the question.
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Sue
MarkHow can I solve 6 x 14?
14
14 14 14 14 1414
Work out the computation.
Write a complete sentence to answer the question.
6 x 14 =
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Sue
Mark
How can I solve 6 x 14?
These strategies are used for students to become flexible with numbers- to compose and decompose for mental calculations.
14
14 14 14 14 1414
Work out the computation.
Write a complete sentence to answer the question.
6 x 14 = 6 x 10= 60 6 x 4 = 24 60 + 24 = 84
6 x 14 = 7 x 12 = 84
using doubling/halving rule
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Sue had 6 times as many Skittles as Mark. If Mark has 14 Skittles,
how many Skittles does Sue have?
Sue
MarkCheck work
Have I answered the question completely?
14
14 14 14 14 1414
Write a complete sentence to answer the question.
Reread the problem. Have I solved the problem completely and answered the question?
6 x 14 = 6 x 10= 60 6 x 4 = 24 60 + 24 = 84
6 x 14 = 7 x 12= 84
using doubling/halving rule
Sue has 84 Skittles.