Each book of this series unfolds gradually a purposeful continuity in the fundamental concepts and a continuous systematic review of these concepts to the young minds.  Language used is simple and lucid Test assignments given in the series help in the systematic review of the child’s progress Encourages creativity, insight and mathematical understanding in today’s real life situation Mental assignments reinforce and ensure conceptual grasp Some interesting and delightful items have been introduced to inculcate more interest in the subject. Amazing facts of numbers, fun items and test assignments have been included OBJECTIVES : The series devised to give children adequate knowledge of mathematical terms, symbols, concepts etc. Mental mathematics is very helpful because in many real-life situations, you cannot use a calculator and there is not enough time to work a summation on paper. Why mental mathematics – encouraging speed and mental ability among their wards in dealing with arithmetical process. All the competitive examinations are based on speed, accuracy and logic, which requires constant practice from the very beginning and mental mathematics helps in enhancing these skills