Being collaborative

There are 300 NRICH Mathematical resources connected to Being collaborative
ReflectoR ! RotcelfeR
problem

ReflectoR ! RotcelfeR

Age
7 to 11
Challenge level
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Can you place the blocks so that you see the reflection in the picture?
Dice in a Corner
problem

Dice in a Corner

Age
7 to 11
Challenge level
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How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
Fence it
problem

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?
Kite in a Square
problem

Kite in a Square

Age
14 to 18
Challenge level
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Can you make sense of the three methods to work out what fraction of the total area is shaded?
Constructing Triangles
problem

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?
Ordering cards
problem

Ordering cards

Age
5 to 11
Challenge level
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This problem is designed to help children to learn, and to use, the two and three times tables.
Can you do \it too?
problem

Can you do it too?

Age
5 to 7
Challenge level
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Try some throwing activities and see whether you can throw something as far as the Olympic hammer or discus throwers.

Olympic Measures
problem

Olympic Measures

Age
11 to 14
Challenge level
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These Olympic quantities have been jumbled up! Can you put them back together again?
Nutrition and Cycling
problem

Nutrition and Cycling

Age
14 to 16
Challenge level
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Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?