Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative
Olympic Records
problem
Favourite

Olympic records

Age
11 to 14
Challenge level
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Can you deduce which Olympic athletics events are represented by the graphs?
Attractive Tablecloths
problem
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Attractive tablecloths

Age
14 to 16
Challenge level
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Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs?
Half Time
problem
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Half time

Age
5 to 11
Challenge level
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What could the half time scores have been in these Olympic hockey matches?
Jumping squares
problem
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Jumping squares

Age
5 to 7
Challenge level
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In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.
Generating Triples
problem
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Generating triples

Age
14 to 16
Challenge level
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Sets of integers like 3, 4, 5 are called Pythagorean Triples, because they could be the lengths of the sides of a right-angled triangle. Can you find any more?
Track design
problem
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Track design

Age
14 to 16
Challenge level
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Where should runners start the 200m race so that they have all run the same distance by the finish?
Fill Me Up Too
problem
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Fill me up too

Age
14 to 16
Challenge level
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In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
Order, Order!
problem
Favourite

Order, order!

Age
5 to 11
Challenge level
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Can you place these quantities in order from smallest to largest?

Discuss and Choose
problem
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Discuss and choose

Age
5 to 11
Challenge level
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This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

The time is ...
problem
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The time is ...

Age
7 to 11
Challenge level
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Can you put these mixed-up times in order? You could arrange them in a circle.