Question

Describe how to find the sums -4 + 2 and -4 + (-2) on a number line

Answer 1

-4 + 2 = -2 and -4 + (-2) = -6

Explanation:

-4 + 2 = -2

On the number line,start at zero

Do 4 jumps to the left (you are at -4)

Then do 2 jumps to the right You are at -2

-4 + (-2) = -6

On the number line,start at zero

Do 4 jumps to the left (you are at -4)

Then do 2 more jumps to the left You are at -6

Answer 2

For -4, the arrow from zero goes 4 points to the left. Add two more.

Explanation: