Being collaborative

There are 300 NRICH Mathematical resources connected to Being collaborative
Order, Order!
problem

Order, Order!

Age
5 to 11
Challenge level
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Can you place these quantities in order from smallest to largest?
Discuss and Choose
problem

Discuss and Choose

Age
5 to 11
Challenge level
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This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
The time is ...
problem

The time is ...

Age
7 to 11
Challenge level
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Can you put these mixed-up times in order? You could arrange them in a circle.
What is the time?
problem

What is the time?

Age
5 to 11
Challenge level
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Can you put these times on the clocks in order? You might like to arrange them in a circle.
What's that graph?
problem

What's that graph?

Age
14 to 18
Challenge level
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Can you work out which processes are represented by the graphs?

Carroll Diagrams
problem

Carroll Diagrams

Age
5 to 11
Challenge level
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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Seeing Squares
problem

Seeing Squares

Age
5 to 11
Challenge level
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Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Dicey Addition
problem

Dicey Addition

Age
5 to 11
Challenge level
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Who said that adding couldn't be fun?
Place your orders
problem

Place your orders

Age
11 to 14
Challenge level
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Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Fill Me Up
problem

Fill Me Up

Age
11 to 14
Challenge level
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Can you sketch graphs to show how the height of water changes in different containers as they are filled?