5. The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB. Name the rational numbers represented by P, Q, R and S. P ...

Number lines are a great way to compare numbers. They also help you to order numbers, understand place value and estimate where a number is. Watch this video to find out more. This number line shows ...

When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...