Thrust matrix addition to 20

With Schubitrix Mathematics, every child learns to calculate playfully, as practice is based on the rules of the popular domino game. But be careful: all three sides of the triangular game cards must always be kept in mind! The triangles made of sturdy cardboard are arranged so that the equation and the result match. Only those who calculate correctly will have the solution pattern for self-checking on the table at the end. Anyone who likes dominoes will love Schubitrix! Schubitrix is available for all important areas of mathematics as well as for German, foreign languages, and perceptual development. Contents: Game 1: without crossing tens, Game 2: with crossing tens. 2 games with 24 cards in different difficulty levels, instructions.