Number lines can go up to any number, such as 10, 20, or even more! They help you to see where each number belongs and can be useful when adding and subtracting. This is a number line. This number ...

Number lines can also show fractions as values. This number line represents the values between 0 and 1. Each step increases by 1⁄10 (one tenth). Image caption, A double number line can be ...