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Different deductions

7 to 11

There are lots of different methods to find out what the shapes are worth - how many can you find?

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Teachers using NRICH 2

11 to 16

Kirsti Ashworth, an NRICH Teacher Fellow, talks about her experiences of using rich tasks.

article

Co-operative problem solving: pieces of the puzzle approach

5 to 16

The content of this article is largely drawn from an Australian publication by Peter Gould that has been a source of many successful mathematics lessons for both children and student-teachers. It presents a style of problem-solving activity that has the potential to benefit ALL children in a class, both mathematically and socially, and is readily adaptable to most topics in mathematics curricula.

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Taking a die for a walk

5 to 11

Investigate the numbers that come up on a die as you roll it in the direction of north, south, east and west, without going over the path it's already made.

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Great squares

7 to 11

Investigate how this pattern of squares continues. You could measure lengths, areas and angles.

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Cubes

7 to 11

How many faces can you see when you arrange these three cubes in different ways?

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Mixing paints

11 to 14

Can you work out how to produce different shades of pink paint?

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Brush loads

7 to 11

How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.

The Tower of Hanoi - three wooden poles, with several coloured rings of decreasing sizes on the middle pole.

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Tower of Hanoi

11 to 14

The Tower of Hanoi is an ancient mathematical challenge. Working on the building blocks may help you to explain the patterns you notice.

problem

Gran, how old are you?

7 to 11

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