Mental math is a good skill performing math calculations in your head without a calculator or paper. Mental Mathematics Set 2 has three books. This set covers various topics like counting, adding, subtracting, shapes, patterns, and more. Perfect as at-home learning or after school, these wonderful books include the practice needed to provide students with a strong mathematical foundation for ongoing success. • Ideal for age-group 4-12 years • Three books • Handy tips about calculations • Plenty of exercises • Charming cover • Answers included These books are aimed at serving as an active guide for acquiring quick methods of calculations. They are bound to be useful not only during the school stage but in practical life also when the students have grown up to enter life.