Visualising and representing

There are 536 NRICH Mathematical resources connected to Visualising and representing
What numbers can we make now?
problem

What numbers can we make now?

Age
11 to 14
Challenge level
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Imagine we have four bags containing numbers from a sequence. What numbers can we make now?

Isosceles Seven
problem

Isosceles seven

Age
14 to 16
Challenge level
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Is it possible to find the angles in this rather special isosceles triangle?

Pythagoras Proofs
problem

Pythagoras proofs

Age
11 to 16
Challenge level
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Can you make sense of these three proofs of Pythagoras' Theorem?

Three neighbours
problem

Three neighbours

Age
7 to 14
Challenge level
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Take three consecutive numbers and add them together. What do you notice?
Euler meets Schlegel
problem

Euler meets Schlegel

Age
16 to 18
Challenge level
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Discover how networks can be used to prove Euler's Polyhedron formula.

Always Perfect
problem

Always perfect

Age
14 to 18
Challenge level
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Show that if you add 1 to the product of four consecutive numbers the answer is ALWAYS a perfect square.
Quadratic Matching
problem

Quadratic matching

Age
14 to 16
Challenge level
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Can you match each graph to one of the statements?

Seesaw Shenanigans
problem

Seesaw shenanigans

Age
3 to 7
Challenge level
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A group of animals has made a seesaw in the woods. How can you make the seesaw balance?

Sweetie Box
problem

Sweetie box

Age
5 to 11
Challenge level
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Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?