Solve -4 + 7 Using Number Line: Visual Addition with Integers

Let's locate negative 4 on the number line.

Since negative 4 is less than 0, we'll move four steps left from zero, where each step represents one whole number as follows:

Now let's look at the operation in the exercise.

Since the operation is $+7$

And since 7 is greater than 0, we'll move seven steps to the right from negative 4, where each step represents one whole number as follows:

We can see that we arrived at the number 3.