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Placeholder: several colourful numbers

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Vital?

16 to 18

Third challenge cipher

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Birds in the Garden

5 to 11

This activity asks you to collect information about the birds you see in the garden. Are there patterns in the data or do the birds seem to visit randomly?

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En-Counters

5 to 7

This task requires learners to explain and help others, asking and answering questions.

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Favourite

100 Square Jigsaw

5 to 11

Can you complete this jigsaw of the 100 square?

Multicoloured socks lying next to each other.

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Favourite

Mixed-Up Socks

5 to 7

Start with three pairs of socks. Now mix them up so that no mismatched pair is the same as another mismatched pair. Is there more than one way to do it?

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Dirisibly Yours

16 to 18

Find and explain a short and neat proof that 5^(2n+1) + 11^(2n+1) + 17^(2n+1) is divisible by 33 for every non negative integer n.

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Favourite

Latin Numbers

14 to 16

Can you create a Latin Square from multiples of a six digit number?

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Favourite

Interactive Workout - Mathmo

16 to 18

Mathmo is a revision tool for post-16 mathematics. Give yourself a mathematical workout!

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The Simple Life

11 to 14

The answer is $5x+8y$... What was the question?

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Impossible Square?

16 to 18

Can you make a square from these triangles?