Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative
Doughnut percents
problem
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Doughnut percents

Age
7 to 14
Challenge level
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A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.
Guess the houses
problem
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Guess the houses

Age
5 to 7
Challenge level
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This task depends on learners sharing reasoning, listening to opinions, reflecting and pulling ideas together.
Which is bigger?
problem
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Which is bigger?

Age
14 to 16
Challenge level
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Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
4 Dom
problem
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4 dom

Age
5 to 11
Challenge level
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Use these four dominoes to make a square that has the same number of dots on each side.
CD Heaven
problem
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Cd heaven

Age
14 to 16
Challenge level
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All CD Heaven stores were given the same number of a popular CD to sell for £24. In their two week sale each store reduces the price of the CD by 25% ... How many CDs did the store sell at each price?
Fitted
problem
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Fitted

Age
7 to 11
Challenge level
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Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?

Hundred Square
problem
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Hundred square

Age
5 to 11
Challenge level
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A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

The Better Choice
problem
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The better choice

Age
14 to 16
Challenge level
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Here are two games you can play. Which offers the better chance of winning?
Growing Garlic
problem
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Growing garlic

Age
5 to 11
Challenge level
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Magic Vs
problem
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Magic vs

Age
7 to 11
Challenge level
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Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?