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There are **9** NRICH Mathematical resources connected to **Metric and imperial units**, you may find related items under Measuring and calculating with units.

Problem
Primary curriculum
Secondary curriculum
### Olympic Measures

These Olympic quantities have been jumbled up! Can you put them back together again?

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Triathlon and Fitness

The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### All in a Jumble

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.

Age 11 to 14

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Robot Camera

Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?

Age 14 to 16

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Weighing Fruit

Can you use this information to estimate how much the different fruit selections weigh in kilos and pounds?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### A Day with Grandpa

Grandpa was measuring a rug using yards, feet and inches. Can you help William to work out its area?

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Watching the Wheels Go 'round and 'round

Use this information to work out whether the front or back wheel of this bicycle gets more wear and tear.

Age 7 to 11

Challenge Level

Problem
Primary curriculum
Secondary curriculum
### Illusion

A security camera, taking pictures each half a second, films a cyclist going by. In the film, the cyclist appears to go forward while the wheels appear to go backwards. Why?

Age 11 to 16

Challenge Level