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Strange bank account (part 2)

11 to 14

Investigate different ways of making £5 at Charlie's bank.

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EYFS thinking about: Obstacle courses

Read about children's responses to the Obstacle Course activity.

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Strange rectangle

16 to 18

ABCD is a rectangle and P, Q, R and S are moveable points on the edges dividing the edges in certain ratios. Strangely PQRS is always a cyclic quadrilateral and you can find the angles.

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Water lilies

11 to 14

There are some water lilies in a lake. The area that they cover doubles in size every day. After 17 days the whole lake is covered. How long did it take them to cover half the lake?

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Graph triangles

14 to 16

Use the information about the triangles on this graph to find the coordinates of the point where they touch.

problem

Favourite

Temperature

11 to 14

Is there a temperature at which Celsius and Fahrenheit readings are the same?

Excel technique: LCM & HCF (or GCD)

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Excel technique: LCM and HCF (or GCD)

Learn how to use the Excel functions LCM and GCD.

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Antifreeze

14 to 16

How much more antifreeze is needed to make the proportion 30%?

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Jenny's logic

11 to 14

Weekly Problem 52 - 2009
How did Jenny figure out that Tom's cards added to an even number?

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Digit deletion

11 to 14

What is the largest number of digits that could be erased from this 1000-digit number, to get a surprising result?