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There are twenty five teddies in Teddy Town - five red, five blue, five yellow, five green and five purple. There are also twenty five houses, five of each colour. Can you put them on the map of Teddy Town according to the rules?

There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.

Using the 8 dominoes, can you make a square where each of the columns and rows adds up to 8?

Manufacturers need to minimise the amount of material used to make their product. What is the best cross-section for a gutter?

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?