Arranged in colour-coded levels, this high-interest range will appeal to children of varying ages and abilities. The exciting titles use the maths skills learnt in the classroom in real-life puzzle-solving scenarios, helping readers to develop an appreciation of the wider relevance of mathematics. In Ocean Giants, readers dive to the depths to solve puzzles where they will measure and weigh some of largest creatures that inhabit the oceans, calculating how much a walrus eats, how a dolphin moves and much more.