Question

Here is an addition sentence. (6 + 7) + 8 = 21 Choose an equivalent addition sentence that shows the associative property of addition.

Answer 1

6 + (7+ 8) = 21

Explanation:

According to the associative property of addition, the sum of three or more numbers remains the same regardless of how the numbers are grouped.

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Answer 2

The Associative property of addition is where you group the numbers differently with parenthesis. That equation could be written as (8+6) + 7 = 21 or (7+8) + 6 = 21

All you have to do is regroup the numbers