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Number and algebra

  • The Number System and Place Value
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Advanced mathematics

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For younger learners

  • Early Years Foundation Stage

Shape Your Proof

In this feature for Primary students, we offer geometrical tasks which give you the chance to notice patterns and make conjectures. Can you create a mathematical argument that would convince a mathematician that your conjecture is always true?

You may also like to take a look at our I Like to Prove It! feature which gives you tasks for a similar purpose but in the context of number.

Break it Up!

Age 5 to 11
Challenge Level Yellow star
In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?

Counting Stick Conjectures

Age 5 to 11
Challenge Level Yellow star
How many rectangles can you see? Are they all the same size? Can you predict how many rectangles there will be in counting sticks of different lengths?

School Fair Necklaces

Age 5 to 11
Challenge Level Yellow starYellow star
How many possible symmetrical necklaces can you find? How do you know you've found them all?

Diagonally Square

Age 7 to 11
Challenge Level Yellow star
Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?

Brush Loads

Age 7 to 11
Challenge Level Yellow star
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.

Triangle in a Square

Age 7 to 11
Challenge Level Yellow star
Do you agree with Badger's statements? Is Badger's reasoning watertight? Why or why not?

You may also like

Digging Into Geometry

Dig deeply into geometrical ideas by having a go at the tasks in this Primary student feature.

Playing with Dice

Find a friend and play our dice games.

LP Student Latest

Latest list for the L Primary Students

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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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