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 Treasure in the Jungle, the reader joins explorers in the forests of Peru where they can solve puzzles including how many Llamas are needed for the expedition; the grid references to find a hidden Temple; and measuring the wingspan of the Condor, one of the biggest birds in the world.