Question

Mandy is trying to subtract 4 - 12 and she has asked you for help how would you explain the process of solving a problem to Mandy using a number line

Answer 1

Go 12 units to the left of 4, you get -8.

Hope this helps!

Answer 2

You start at 12 in the number line then move 4 spaces backwards so 12-4 would equal 8