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 2 is particularly suitable for children in Years 4 and 5, and covers: thousands, area, perimeter, angles of shapes, co-ordinates, lines of symmetry, odd and even numbers, multiples of 3/7/8 and 9, fractions and probability.