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Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?

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Which Scripts?

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

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The Deca Tree

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Representing Numbers

Age 7 to 11 Challenge Level:

Find as many ways of representing the number of dots shown above.
Try to find at least five ways.

Now find ways of representing ten times as many dots. Can you still find at least five different ways?

 
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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