Visualising and representing

There are 575 NRICH Mathematical resources connected to Visualising and representing
Add to 200
problem
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Add to 200

Age
11 to 14
Challenge level
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By selecting digits for an addition grid, what targets can you make?
Quadrilaterals in a Square
problem
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Quadrilaterals in a square

Age
11 to 14
Challenge level
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What's special about the area of quadrilaterals drawn in a square?
Two Spinners
problem
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Two spinners

Age
5 to 7
Challenge level
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What two-digit numbers can you make with these two dice? What can't you make?
Up, down, flying around
game
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Up, down, flying around

Play this game to learn about adding and subtracting positive and negative numbers

Fence it
problem
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Fence it

Age
11 to 14
Challenge level
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If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Hidden Squares
problem
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Hidden squares

Age
11 to 14
Challenge level
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Can you find the squares hidden on these coordinate grids?
Summing geometric progressions
problem
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Summing geometric progressions

Age
14 to 18
Challenge level
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Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?

Snail One Hundred
game
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Snail one hundred

In this game, you throw a dice and move counters along the snail's body and in a spiral around the snail's shell. It is about understanding tens and ones.

Constructing Triangles
problem
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Constructing triangles

Age
11 to 14
Challenge level
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Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?
Doing and undoing
problem
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Doing and undoing

Age
5 to 11
Challenge level
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An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.