3 Review(s)

There are many ways to teach numbers to kids. Abacus is a great tool to teach your child simple math such as counting, addition, subtraction, multiplication, and even division. This is "A" book of Level-4, which contains Plus and Minus of triple-digit numbers mentally, multiplication of triple-digit multiplicand with the single-digit multiplier. It also contains the division of Double and triple-digit dividends with the single-digit divisor.