Question

Match each product to the equivalent expression written as a sum.

21+ 15
27 +21
35 +21
35 + 15
3(9+7)
3(7+5)
5(7+3)
7(5+3)

Answer 1

36
28
56
50
48
36
50
56
Use calculators

Answer 2

21 + 15 can be written as 3(7+5)

27 + 21 can be written as 3(9+7)

35 + 21 can be written as 7(5+3)

35 + 15 can be written as 5(7+3)

3(9+7) stays as is

3(7+5) stays as is

5(7+3) stays as is

7(5+3) stays as is