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Mr. Sunshine tells the children they will have 2 hours of homework. After several calculations, Harry says he hasn't got time to do this homework. Can you see where his reasoning is wrong?

The Magic Number and the Hepta-tree

Find the exact difference between the largest ball and the smallest ball on the Hepta Tree and then use this to work out the MAGIC NUMBER!

Shedding Some Light

Make an estimate of how many light fittings you can see. Was your estimate a good one? How can you decide?

What's My Weight?

Age 7 to 11 Short
Challenge Level
Which weighs most - the apple or the weights?
How many weights are there? So what is a quarter of that?
If the weights have to be heavier than a quarter of the apple what do you think is a likely weight for them to be?