problem

Favourite

### 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

Favourite

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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Round the Dice Decimals 1

Favourite

Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?

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Round the Dice Decimals 2

Favourite

What happens when you round these numbers to the nearest whole number?

game
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Spiralling Decimals

Favourite

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

problem
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Toad in the Hole

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

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Doughnut percents

Favourite

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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Reductant ratios

What does the empirical formula of this mixture of iron oxides tell
you about its consituents?

problem
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A long time at the till

Try to solve this very difficult problem and then study our two suggested solutions. How would you use your knowledge to try to solve variants on the original problem?

problem
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Route Product

Favourite

Find the product of the numbers on the routes from A to B. Which route has the smallest product? Which the largest?

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