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Month Mania

Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?

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Starfish Spotting

How many starfish could there be on the beach, and how many children, if I can see 28 arms?

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What's Left?

Use this grid to shade the numbers in the way described. Which numbers do you have left? Do you know what they are called?

Catrina's Cards

Age 5 to 7 Challenge Level:
We had a few solutions come in which showed how Catrina could work out how many football cards she has.

Joshua from Haslingfield Primary School wrote saying:

I used olive stones in five groups of four and counted them.

Georgia from Woodlea Junior School said:

I think the best idea of how to do this would be in your head because it’s just 5 x 4.

Shree from The International School Frankfurt in Germany sent in this:-


Thank you for these ways of calculating, maybe you can see other ways.