The study of Mathematics is comprehensive and profound and is of utmost importance in today life. Each mathematical concepts in the simplest form is related to practical living and provides the basic concepts and skills needed to tackle problems related to everyday life. It enables child to think rationally and logically and equips the young minds to apply the skills to analyse, interpret and predict various life situation. The present series of books is an excellent course designed under the new norms of the latest syllabus and guidelines, which hold a modern approach to teaching of Mathematics and clearly present all mathematical concepts necessary for the development of a young and creative mind. They relate mathematical concepts to the child’s own environment and experiences and inculcate the skill of quantification of experience around the learner and develop power of thinking and reasoning.