IXL | Properties of addition | 5th grade math

or

Which equation shows the identity property of addition?

6 + 4 = 4 + 6

11 = 4 + 2 + 5

(4 + 2) + 7 = 4 + (2 + 7)

0 + 7 = 7

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Learn with an example

question

Which property of addition is shown?

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

associative

commutative

identity

key idea

Associative property:

(b + c) + d = b + (c + d)

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

solution

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

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

Looking for more? Try these:

Lesson: The commutative property

Lesson: The associative property

Lesson: The identity property

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Work it out

Not feeling ready yet? These can help:

G.7Balance addition equations - sums to 20

G.6Add two numbers up to three digits

Lesson: The commutative property

Lesson: The associative property

Lesson: The identity property