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.

That number lines can't start at, don't always have to start at zero. So they decided, you know what, if this is 50 and this is 65 there's no way that this is zero.

If you noticed, the bottom row has one more number than the previous, which narrows our area of interest down to range from 27 to 38. Within that row, if you count slowly, you’ll find that 32 is ...

This brain-teasing math problem created by Puzzles9 presents three pentagons, each with a set of five numbers. But there's a catch — the middle pentagon is missing a number in the bottom right ...

Learn what a number line is and how to use number lines with examples with BBC Bitesize KS3 Maths. For students between the ages of 11 and 14.