Resources tagged with: Decimals

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There are 10 results

Broad Topics > Fractions, Decimals, Percentages, Ratio and Proportion > Decimals

Terminating or Not

Age 11 to 14 Challenge Level:

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

Repetitiously

Age 14 to 16 Challenge Level:

Can you express every recurring decimal as a fraction?

Tiny Nines

Age 14 to 16 Challenge Level:

What do you notice about these families of recurring decimals?

Matching Fractions, Decimals and Percentages

Age 7 to 14 Challenge Level:

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

Spiralling Decimals

Age 7 to 14 Challenge Level:

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

A Long Time at the Till

Age 14 to 18 Challenge Level:

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?

Round and Round and Round

Age 11 to 14 Challenge Level:

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?

Decimal Time

Age 11 to 14 Challenge Level:

Use the clocks to investigate French decimal time in this problem. Can you see how this time system worked?

Shopping Basket

Age 11 to 16 Challenge Level:

The items in the shopping basket add and multiply to give the same amount. What could their prices be?

Toad in the Hole

Age 11 to 14 Challenge Level:

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?