| Properties | Expressions | Words to Expressions | Expressions to words | Word Problems |
|---|---|---|---|---|
|
Changing the order of addends of factors does not change the sum or product
3+5=5+3
What is the Commutative Properties
|
26
24+4÷2
|
(8x5)÷4
Multiply 8 and 5, then divide by 4
|
Add 13 to the product of 4 and 6
13+ (4x6)
|
$46
Ronald has $10. He works 4 hours and earns $9 each hour. How much money does he have in total?
|
|
Changing the grouping of addends or factors does not change the sum or product
(2+4)+1=2+(4+1)
What is Associative Properties
|
64
12+(10-3)x8
|
(14+18)x4
Multiply the sum of 14 and 18 by 4
|
Divide the sum of 4 and 8 by 2
(4+8) ÷ 2
|
36 Strings
A music teacher replaces the strings on 2 violins, 3 violas, 5 cellos, and 2 bass. There are 3 strings on each of the instruments. How many strings does the teacher replace
|
|
The sum of any number and 0 is that number
8+0=8
Addition Property of Zero
|
7
(18+23+22) ÷ 9
|
3 x (12+3)
Multiply 3 by the sum of 12 and 3
|
$68
A customer places an online order for a video game that costs $30 and 4 books that each cost $8. Shipping cost is $6. What is the total cost of the order?
|
|
|
The product of any number and 0 is 0
5x0=0
Multiplication Properties of Zero
|
20
80-6x5x2
|
(50-30) ÷ 10
Subtract 30 from 50, then divide by 10
|
13
Eight students use 2 sets of 52 cards to play a game. The cards are divided equally among the players. How many cards does each player get?
|
|
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The product of any number and 1 is that number.
7x1=7
Multiplication Properties of One
|
5
(1/2 + 1/2) x 5
|
(54 + 97) x 2
Add 54 and 97, then multiply by 2
|
2
one plus one
|
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