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Plants

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?

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Gran, How Old Are You?

When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?

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Follow the Numbers

What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.

In the Playground

Stage: 1 and 2 Challenge Level: Challenge Level:2 Challenge Level:2
Is there anything you know for certain about the child who is first on the playground?
Do you know whether it will be a boy or a girl?
Do you know whose class s/he is in?
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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.