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 & keeping score in games Key Stage 2 Problem Solving Book 2 is particularly suitable for children in Years 4 & 5 & covers thousands area perimeter angles of shapes co-ordinates lines of symmetry odd & even numbers multiples of 378 & 9 fractions & probability