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A4 Fraction Subtraction
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A4 Fraction Subtraction

7 to 11

This task offers opportunities to subtract fractions using A4 paper.

A white spiral NRICH logo on a blue background.
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About NRICH

On this page, you can find out more about the NRICH website.

A wall clock with no numbers.
problem
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What Is the Time?

5 to 11

Can you put these times on the clocks in order? You might like to arrange them in a circle.

Coloured Squares
problem
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Coloured Squares

5 to 7

Use the clues to colour each square.

One to Fifteen
problem

One to Fifteen

7 to 11

Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

Clock arithmetic
problem

Clock Arithmetic

11 to 18
What happens if we change the rules and make the usual straight number line into a circle?
Round the Three Dice
problem
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Round the Three Dice

7 to 11

What happens when you round these three-digit numbers to the nearest 100?

Curve Hunter
problem

Curve Hunter

14 to 18

This problem challenges you to sketch curves with different properties.

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