problem

### Terminating or not

Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?

problem
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Terminating or not

Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?

problem
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Matching fractions

Can you find different ways of showing the same fraction? Try this matching game and see.

problem
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Bryony's Triangle

Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?

problem
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Pride of Place

Two fractions have been placed on a number line. Where should another fraction be placed?

problem
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Doughnut percents

A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.

problem
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the greedy algorithm

The Egyptians expressed all fractions as the sum of different unit
fractions. The Greedy Algorithm might provide us with an efficient
way of doing this.

problem
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Round and round and round

Where will the point stop after it has turned through 30 000 degrees? I took out my calculator and typed 30 000 ÷ 360. How did this help?