Random
Symbols which show grouping of numbers.
Parenthesis
10 more than 310
320
77
45;tens
50
Find each sum. Identify the property.
8+9 = 9+8
17; Commutative
Round each addend to its greatest place value and find the sum.
365+123=
500
100 more than 173
273
67+32=
99
86;tens
90
Find each sum. Identify the property.
(9+3) + 2=9+(2+3)
14;Associative
Which property of addition matches the definition.
States that the way addends are grouped does not change the sum.
Associative Property
974+____=975
1
234+161=
395
543;hundreds
500
Find each sum. Identify the property.
53+0=
0;Identity
Which property of addition matches the definition.
States that the order in which numbers are added does not change the sum.
Commutative Property. (Switcheroo Property)
Complete the number sentence.
8,264 + _____=9,264
112+136=
248
1,582;hundreds
1,600
Find each sum. Identify the property.
5+(6+3)=6+(3+5)
14;Associative
Round each addend to its greatest place value and find the sum.
37+21=
60
Complete the number sentence.
4,362+_____=4,372
10
747+121=
868
1,856;tens
1,860
Find each sum. Identify the property.
8+2=2+8
10;commutative