Addition Properties
Name the property.
5+0=5
Identity (Zero) Property
There are 15 kids playing at recess. 6 are playing basketball at recess. How many kids are not playing basketball.
9 kids are not playing basketball.
Round to the nearest 10.
72
70
47+8
55
58-7
51
Name the property.
6+3=3+6
Commutative (Order) Property
Tina has 32 Skittles. Josh has 20 Skittles. How many more Skittles does Tina have than Josh?
12
Round to the nearest 10.
35
40
82+10
92
76-10
66
Name the property.
67+0=67
Identity (Zero) Property
There are 63 third graders and 87 fourth graders. How many students are there in third and forth grade?
150 students total
Round to the nearest 10.
567
570
76+31
107
87-38
49
Name the property.
1+(5+6)=(1+5)+6
Associative (Grouping) Property
Target has 234 Snicker bars and 542 Kit Kat bars. How many Snickers and Kit Kat bars are there in all?
776 in all.
Round to the nearest hundred.
789
800
316+598
914
582-249
333
Name both properties.
34+0=0+34
Commutative (Order) Property
Mrs. Montgomery has 800 marbles in a bag. She put 432 in a box. How many marbles are left in the bag?
368 marbles are left in the bag.
Round to the nearest hundred.
4,564
4,500
457+23+9
489
276