Mathematics

Messiah Sparks

3 November, 19:23

Ryan was adding numbers on a number line. He started at - 3 and then he added + 2. He wrote that his answer was - 5.

Is Ryan's answer reasonable?

A.

No, it is not reasonable because if you start at - 3, you will move 2 spaces to the right and get - 1.

B.

No, it is not reasonable because if you add two integers, you get a positive integer. The answer is + 5.

C.

Yes, it is reasonable because if you start at - 3, you will move 2 spaces to the left and get - 5.