Question

Explain how you can use a number line to find the sum of 4+(-8)

Answer 1

-4

Explanation:

you add to the left of a positive to negative

Answer 2

Answer: -4

Explanation: To add 4 + (-8), we start at 0 on the number line.

4 tells us to move 4 units to the left.

From there, -8 tells us to move 8 units back to the left and you can see from the picture below that we end up at -4.

So 4 + (-8) is -4.

Image is provided below.