This is a carefully graded mathematics series of 9 books for the children of Elementary to class 8. It is aimed at developing the power of logical and mathematical reasoning.*The salient features of the series are:*Learning outcomes at the beginning of each chapter clearly define the goals of the study.*Remember and Note sections are given to recapitulate important points learned.*Maths Alert! Section warns against likely mistakes and misconceptions* Activities /Maths Lab Activities within the text are easy to do for practical verification of concepts.*Mental Maths to develop thinking skills*Challenge! Questions to enable children to thin out of the box.*Chapter Test given at the end of each chapter helps in evaluation and self-assessment.