Mathematics
Grade 8
15 min
Properties of addition
Properties of addition
Tutorial Preview
1
Commutative Property: (-5) + 8 = 8 + (-5)
2
Associative Property: (2 + 7) + (-4) = 2 + (7 + (-4))
3
Identity and Inverse Properties: 12 + 0 and 12 + (-12)
Sample Practice Questions
Easy
Find the missing number: 3 + 9 = ? + 3
0.9
1.3
2.12
3.6
Easy
Which equation shows the commutative property of addition?
0.5+2=2+5
1.5+0=5
2.5-2=3
3.5*2=10
Easy
Find the missing number: (1 + 2) + 3 = 1 + (? + 3)
0.2
1.1
2.3
3.6
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