Question

Find the missing value.

Hint: Use the number line to find the missing value.
—9+
--
—3
主
-15
-10
-5
0
5
10
15

Answer 1

-9 + 6 = -3

Explanation:

The Number Line

The original number -9 is located as the red dot in the number line as shown in the figure below.

To move to the number -3 (as a blue dot) we must jump right 6 numbers. Thus, this is the number that must be filling the box.

-9 + 6 = -3