Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative
Numerically Equal
problem
Favourite

Numerically equal

Age
7 to 11
Challenge level
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Can you draw a square in which the perimeter is numerically equal to the area?

Skeleton Shapes
problem
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Skeleton shapes

Age
5 to 7
Challenge level
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How many balls of modelling clay and how many straws does it take to make these skeleton shapes?

Peaches today, Peaches tomorrow...
problem
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Peaches today, peaches tomorrow...

Age
11 to 14
Challenge level
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A monkey with peaches, keeps a fraction of them each day, gives the rest away, and then eats one. How long can his peaches last?
Board Block Challenge
problem
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Board block challenge

Age
7 to 11
Challenge level
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Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?

Multiples Grid
problem
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Multiples grid

Age
7 to 11
Challenge level
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What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?

Reaction timer
problem
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Reaction timer

Age
11 to 14
Challenge level
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This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
Coded hundred square
problem
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Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Number match
problem
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Number match

Age
5 to 11
Challenge level
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A task which depends on members of the group noticing the needs of others and responding.

Inky Cube
problem
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Inky cube

Age
7 to 14
Challenge level
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This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?

Countdown
game
Favourite

Countdown

Here is a chance to play a version of the classic Countdown Game.