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).

Front

Calculate: 23 + (54 + 22)

Back

99

Front

Calculate: 19 + (56 + 78)

Back

153

Front

Calculate: (55 + 34) + 34

Back

123

Front

Calculate: 321 + (76 + 54)

Back

451

Front

Calculate: (57 + 69) + 14

Back

140

Front

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

Back

10

Front

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

Back

30

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.

Front

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

Back

Yes, both expressions equal 9.