The product –2 • (–5) is shown on the number line. A number line shows an arrow from 0 to negative 5 labeled negative 5, another arrow from negative 5 to negative 10 labeled negative 5, and another arrow from 0 to 10 labeled the opposite of 2 times negative 5.

Complete the sentences to explain how the model on the number line could be used to find the answer.

Starting at 0 move twice to the left
5
spaces.

2 • (–5) =
-10

The answer is the opposite of that value,
10 to the right
.