By looking at the number line, you can see how far 100 and 1000 are away from each other. Take a look at the examples below to see how you can use number lines to estimate, work out and write numbers.

By looking at the number line, you can see how far 100 and 1000 are away from each other. Take a look at the examples below to see how you can use number lines to estimate, work out and write numbers.