Properties
4+8=8+4
Commutative Property of Addition
3 3/10
33/10
9/3
3
1/2
Skylar has 1/8 of a pizza. Mason gives her 2/8 more. How much pizza does Skylar have?
3/8 pizza
(2+5)+7=2+(5+7)
Associative Property of Addition
1 3/4
7/4
8/6
1 1/3
1/4
25%
Preston walked 2/3 of a mile before school. He walked 1/4 of a mile before bed. How many miles did he walk in all?
11/12 of a mile
2/3 X 3/2 = 1
Inverse Operation of Multiplication
8 1/2
17/2
17/9
1 5/9
3/5
60%
There were 70 pencils at the beginning of class. After class there were only 38. How many pencils were used?
32 Pencils
Changing the grouping of numbers when multiplying does not change the product.
Associative Property of Multiplication
5 2/7
37/7
27/2
13 1/2
2/6
33.3%
There were 8 boxes with 12 cookies in each box. How many cookies were there all together?
96 cookies
The order of numbers can change when adding, and the sum stays the same.
Commutative Property of Addition
2 8/5
18/5
82/17
4 14/17
3/30
10%
There were 135 stickers in the box. If there are 27 students, how many stickers would each student receive?
5 stickers