Author Description

This book introduces the base 5 knowledge of using an abacus. The alternated number– and bead– arithmetic calculation practices train your child to acquire addition and subtraction skills and build an abacus image in the mind. A red and green color abacus is strongly recommended to your child because it helps your child build a strong, vivid mental image. Remember that abacus training is an essential part of transforming to mental arithmetic. Using the abacus to solve every problem helps your child master the key to mental arithmetic. The pages also feature various fun activities containing both column and row forms of calculation to keep your child interested and challenged.