Solve (-10) + 3: Addition on the Number Line

Question

Solve the following expression using the number line below:

(10)+3= (-10)+3= -6-6-6-5-5-5-4-4-4-3-3-3-2-2-2-1-1-1000111222-7-7-7-8-8-8-9-9-9-10-10-10

Video Solution

Step-by-Step Solution

Let's locate negative 10 on the number line.

Now let's look at the operation in the exercise, since the operation is +3 +3

And since the number 3 is greater than 0, we will move three steps to the right from negative 10, where each step represents one whole number as follows:

-6-6-6-5-5-5-4-4-4-3-3-3-2-2-2-1-1-1000111222-7-7-7-8-8-8-9-9-9-10-10-10

We can see that the number we reached is negative 7.

Answer

7 -7