Properties
Missing Addend
Estimate the Sum
Addition
Find the Sum
100
5 + 0 = 5
Identity Property
100
3 + ___ = 10
7
100
34 + 16 _______
30 + 20 _____ 50
100
16 + 16 _____
32
100
1,375 + 408 ________
1,783
200
(4 + 2) +1 = 7
Associative Property
200
____ + 12 = 20
8
200
65 + 22 ______
70 + 20 ______ 90
200
45 + 23 _____
68
200
3,561 + 2,890 _______
6,451
300
5+8 = 13 8+5 = 13
Commutative Property
300
14 + _____ = 19
5
300
540 + 179 ______
500 + 200 _______ 700
300
238 + 56 _______
294
300
5,999 + 3,644 ________
9,643
400
0 + 32 = 32
Identity Property
400
12 + 4 = 4 + _____
12
400
442 + 56 _______
400 + 60 _______ 460
400
654 + 314 ______
968
400
34,705 + 41,860 ___________
76,565
500
(6 + 7) + 3 = 16 6 + (7 + 3) = 16
Associative Property
500
23 + 9 = ____ + 23
9
500
820 + 41 _______
800 + 40 _______ 840
500
576 + 720 _______
1,296
500
(35 + 46) +8 =
89
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