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My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?

Here's a very elementary code that requires young children to read a table, and look for similarities and differences.

Place the digits 1 to 9 into the circles so that each side of the triangle adds to the same total.

How could you measure the height of your friend without too much difficulty?

Can you estimate how far you can throw something?

What 3D shapes occur in nature. How efficiently can you pack these shapes together?

This activity investigates how you might make squares and pentominoes from Polydron.

Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?

Can you work out some different ways to balance this equation?