IXL | Properties of addition

Which equation shows the identity property of addition?

3 + 1 = 1 + 3

9 = 9 + 0

7 + (2 + 3) = (7 + 2) + 3

8 + 1 = 5 + 4

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Learn with an example

Which property of addition is shown?

(7 + 5) + 2 = 7 + (5 + 2)

associative

commutative

identity

Associative property:

(j + k) + m = j + (k + m)

You can group the addends with parentheses and get the same sum.

(7 + 5) + 2 = 7 + (5 + 2)

This equation shows the associative property. The grouping of the addends is changed.

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