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Junior Frogs
problem

Junior Frogs

5 to 11

Have a go at this well-known challenge. Can you swap the frogs and toads in as few slides and jumps as possible?

Comparing Carbon Savings
problem

Comparing Carbon Savings

11 to 18
This interactivity is designed to help you gain a better understanding of how changes to your lifestyle can reduce your carbon footprint.
Placeholder: several colourful numbers
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Technical Help

Information about browsing, searching, printing and using NRICH.

Some Secret Codes
problem

Some Secret Codes

7 to 11

Can you follow the rule to decode the messages?

A row of dominoes falling over.
problem
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Domino Sequences

5 to 7

Find the next two dominoes in these sequences.

Ordering cards
problem
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Ordering Cards

5 to 11

This problem is designed to help children to learn, and to use, the two and three times tables.

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