Question

Write an addition equation or a subtraction equation (your choice!) to describe the diagram.​

Answer 1

(-9) + (-2) = -11

Explanation:

The first arrow on the number line starts from 0, moves downwards 9 units from 0.

We would write this as -9.

Also, the next arrow starts moves from -9, 2 units downwards.

We would write this as -2

The addition equation would be:

(-9) + (-2) = -11