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Small pepper seedlings in turquoise pots.
problem

Shaded Square

14 to 16

Weekly Problem 41 - 2016
The diagram shows a square, with lines drawn from its centre. What is the shaded area?

Small tomato seedlings in yellow pots.
problem

Half and Half

11 to 14

Two of the four small triangles are to be painted black. In how many ways can this be done?

The yellow NRICH logo above the words 'Early Years', on a pink background.
eyfs_activity

Making Caterpillars

Age
3 to 5

By making 'caterpillars', children have an opportunity to practise using language of length and width, and non-standard measures to compare lengths.

problem
Favourite

Big Powers

11 to 16

Three people chose this as a favourite problem. It is the sort of problem that needs thinking time - but once the connection is made it gives access to many similar ideas.

Curvy Equation
problem

Curvy Equation

16 to 18

This problem asks you to use your curve sketching knowledge to find all the solutions to an equation.

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