Associative Property of Addition

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that when adding three or more numbers, the way in which the numbers are grouped does not change the sum. For example, (a + b) + c = a + (b + c).

Tags

CCSS.1.OA.B.3

Front

Calculate: 23 + (54 + 22)

Back

99

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CCSS.1.OA.B.3

Front

Calculate: 19 + (56 + 78)

Back

153

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CCSS.7.NS.A.1D

Front

Calculate: (55 + 34) + 34

Back

123

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CCSS.1.OA.B.3

Front

Calculate: 321 + (76 + 54)

Back

451

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CCSS.7.NS.A.1D

Front

Calculate: (57 + 69) + 14

Back

140

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CCSS.1.OA.B.3

Front

If you have 5 + (3 + 2), what is the sum?

Back

10

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CCSS.1.OA.B.3

Front

If you have (10 + 5) + 15, what is the sum?

Back

30

Tags

CCSS.1.OA.B.3

Front

What does it mean to group numbers in addition?

Back

Grouping numbers in addition means to change the way numbers are paired or added together, which does not affect the final sum.

Tags

CCSS.1.OA.B.3

Front

Is (2 + 3) + 4 the same as 2 + (3 + 4)?

Back

Yes, both expressions equal 9.

Tags

CCSS.1.OA.B.3