Age:4+ Mastering Maths is a challenging series of mathematics books for young learners.Designed in accordance with contemporary trends in the teaching of mathematics, the series has been carefully structured and graded. The important skills in mathematics are careful analysis and clear reasoning, and the key to success in understanding this subject is activity.Stress has been laid on understanding concepts rather than on memorising rules and performing repetitious drills. Presented in a simple, easy-to-understand style, the appealing illustrations in full colour and the attractive layout make the learning of mathematics interesting.