Being collaborative

There are 300 NRICH Mathematical resources connected to Being collaborative
Poly Plug Pattern
problem

Poly Plug Pattern

Age
5 to 7
Challenge level
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Create a pattern on the small grid. How could you extend your pattern on the larger grid?
All Change
problem

All Change

Age
5 to 7
Challenge level
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There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
Who's the best?
problem

Who's the best?

Age
11 to 14
Challenge level
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Which countries have the most naturally athletic populations?
Olympic Records
problem

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

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?
Jumping squares
problem

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.
Half Time
problem

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?
Generating Triples
problem

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

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

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?