Mathematics 4, from Europrice, is the fourth and final volume in the collection of calculation and numerical reasoning exercises. The Mathematics collection brings together progressive calculation and numerical reasoning exercises, organized by increasing difficulty levels throughout the various volumes of the collection. Europrice is the leading children's book publisher in Portugal, with a catalog designed to stimulate creativity and motor skills through pencil and paper, rather than screens. It is a prime option to complete the collection with the most advanced level of exercises available.