Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative
Fence it
problem
Favourite

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?
Constructing Triangles
problem
Favourite

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?
Kite in a Square
problem
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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?
Ordering cards
problem
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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.
Nutrition and Cycling
problem
Favourite

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?
Olympic Measures
problem
Favourite

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?
Can you do \it too?
problem
Favourite

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.

Factorising with Multilink
problem
Favourite

Factorising with multilink

Age
14 to 16
Challenge level
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Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
That number square
problem
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That number square

Age
5 to 11
Challenge level
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Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Matching fractions
problem
Favourite

Matching fractions

Age
7 to 11
Challenge level
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Can you find different ways of showing the same fraction? Try this matching game and see.