Question

Describe the error in the work shown below.

Find an expression equivalent to 18 + 30.

Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

18 + 30 = 6(3 + 10)

Answer 1

The product of 6 and 10 is 60, so the expressions are not equivalent. The expression should be 6(3 + 5).

Step-by-step explanation:

Sample Response

Answer 2

I would say the 18+30=6(3+10)
6*3= 18 that is right
6*10=60 that is incorrect.

Hope this helps you!