Circles, triangles, rectangles and hexagons can be bought in the shape shop. They are priced according to the number of sides. Circles cost 1p hexagons 6p etc. What shapes can be bought for 20p? A good challenge which uses knowledge of shape, counting money and logical thinking. There are a large number of possibilities with this and it is unlikely that all combinations that add up to 20p will be found. Nevertheless it is important to try and work in a logical way. Shape and money challenge (2)