Each step increases by 1⁄10 (one tenth ... The missing value is 5.5 The number line starts at 5 and goes up to 8. This is a difference of 3. There are 6 equal steps. Divide the difference ...

Watch: What is a number line? A number line can be used to add and subtract. Watch the video to learn what a number line is, and how to use it! A number line is a great way to add and subtract.