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?
One day five small animals in my garden were going to have a sports day. They decided to have a swimming race, a running race, a high jump and a long jump.
How many solutions can you find to this sum? Each of the different letters stands for a different number.
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?
