Question

Draw a model for -9+15

Answer 1

Explanation:

-9+15

15-9

+6

So after there you can construct a numberline showing that.

Answer 2

-9+15 can be written as 15-9

Model:-

Suppose you have a empty bag .You are given 15 chocolates .Then 9 chocolates are taken back.How mamy chocolates you have now?