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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Estimating, Comparing, Measuring KS2

### Watch the Clock

### Wonky Watches

### How Much Did it Cost?

### Oh! Harry!

### Discuss and Choose

### Olympic Starters

Y*ou may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.*

Links to the University of Cambridge website
Links to the NRICH website Home page

Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

Or search by topic

This collection is one of our Primary Curriculum collections - tasks that are grouped by topic.

Age 7 to 11

Challenge Level

During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?

Age 7 to 11

Challenge Level

Stuart's watch loses two minutes every hour. Adam's watch gains one minute every hour. Use the information to work out what time (the real time) they arrived at the airport.

Age 7 to 11

Challenge Level

Use your logical-thinking skills to deduce how much Dan's crisps and ice-cream cost altogether.

Age 7 to 11

Challenge Level

A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?

Age 5 to 11

Challenge Level

This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

Age 7 to 11

Challenge Level

Look at some of the results from the Olympic Games in the past. How do you compare if you try some similar activities?

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