Let's practice recognizing the associative property of addition.

1.Which of the above equations would give the same sum as (1 +5)+2 ?

2.Which of the above equations would give the same sum as 4+(6+0)?

3.Which of the above equations would give the same sum as 3+(2+1) ?

4.Which of the above equations would give the same sum as (7+2)+1 ?