Key Stage 2 Problem Solving is a series of graded activity books helping children to sharpen their mathematical skills. It encourages them to apply their maths skills to a range of real-life situations, such as shopping and keeping score in games. Key Stage 2 Problem Solving Book 1 is particularly suitable for children in Years 3 and 4, and covers: equations, multiples of 2/3/4/5/6 and 10, lines of symmetry, counting money, recognising coins to GBP1, calculating change, data handling, height, length, distance, capacity and time.