Add the following 8 and -12 using number line.

Match the items on the right to the items on the left.

Step 1

Step 2

Step 3

Step 4

Step 5

Starting at zero on the number line
facing positive direction and move
8 steps forward reaching 8.

Move 12 steps backward to represent -12.

Reach at -4.

8 + (-12) = -4