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 combo pack of “A & B” books of Level-5. Book “A” is for classwork and Book “B” is for homework. Daily “Oral” practice of 10 minutes is mandatory for the students. Dailly practice tracker has been given at the start of book-B. The “Dictation Book” for oral practice is also available here. These Books are very attractive and are of very good quality. Level-5 covers the topics of Plus and Minus of Double and Triple Digit numbers. It has multiplication of double and triple-digit multiplicand by the single-digit multiplier and also the division of Triple-Digit dividends with a single-digit divisor. Basically this level is for the thorough practice of the first four levels before going further towards the toughest part of this education.