Properties of Addition
27 + 0 = 27
Which property does this represent?
Identity Property
Sally read 13 pages last night. She read n more on Tuesday. How many pages did Sally read?
13 + n
4,824 + 2,973 =
7,797
1,256,369 + 3, 111,978
4, 368, 356
4 x 8
32
13 + ( 7 + 4 ) = ( 13 + 7 ) + 4
Jasmine writes 82 words on the paper. She writes w more words on the baord. How many words did Jasmine write?
82 + w
83, 452 + 35, 786
119, 238
5,623,598 + 235, 369
5, 858, 967
123 + 225 + 369
717
32 + a = a + 32
Commutative Property
Solve.
e + 9 when 9 = 10
19
7,256 + 1,378
8,634
132, 245 + 3,265,523
3,397,768
11 x 6
66
Which two properties does this equation represent?
25 + 3 + 25 + 7 = ( 25 + 25 ) + ( 3 + 7 )
Communitive and Associative
Solve.
r + 18 when r = 14
32
7, 265 + 758
8,023
10,256,832 + 32,000
10,288,832
9 x 6
54
18 + m when m = 0
Which property does this represent?
Identity
Solve.
8 + h when h= 7
15
83, 904 + 78,815
162,719
7,124,854 + 21,251,001
28,375,855
1,524 + 5,214 + 222
6,960