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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# What's Your Plan? - Upper Primary

### Beads and Bags

### Coded Hundred Square

### Which Scripts?

### Bryony's Triangle

### Zios and Zepts

### Shape Times Shape

### Escape from the Castle

### Amy's Dominoes

### Money Bags

### This Pied Piper of Hamelin

### Sticky Triangles

### Tea Cups

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)

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Sometimes it's not easy to know how to start a problem. Try talking to friend about how to start, and what sort of plan you'll have to carry on.

Age 5 to 11

Challenge Level

How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?

Age 7 to 11

Challenge Level

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Age 7 to 11

Challenge Level

There are six numbers written in five different scripts. Can you sort out which is which?

Age 7 to 11

Challenge Level

Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?

Age 7 to 11

Challenge Level

On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?

Age 7 to 11

Challenge Level

These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?

Age 7 to 14

Challenge Level

Skippy and Anna are locked in a room in a large castle. The key to that room, and all the other rooms, is a number. The numbers are locked away in a problem. Can you help them to get out?

Age 7 to 11

Challenge Level

Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?

Age 5 to 11

Challenge Level

Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?

Age 7 to 11

Challenge Level

Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!

Age 7 to 11

Challenge Level

Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?

Age 7 to 14

Challenge Level

Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.