Question

Which addition does the model below represent?

A. 3+(-1)
B. 3+4
C. 3+ (-4)
D. 3+1

Answer 1

C.

Explanation:

Answer 2

C. 3+ (-4)

Explanation:

First we have three but then we go back 4 spaces which results in -1

The simplified answer of C. would be 3-4= -1