This book attempts to hone the mathematical skills of children by making their classroom experience more engaging. Theory is presented in a very simple language and supported with examples. Adequate number of questions for practice have been given in exercises to enable the child to have sufficient drill on each topic. A section called Activity Time containing relevant Maths Lab Activities, Fun Activities and Projects has been added to each chapter. A section called Assessment with two parts has been added to each chapter. Question Bag 1 consisting of Multiple Choice Questions. Question Bag 2 consisting of a Self Assessment Test in which Short Answer Questions, True/False Questions and Fill in the Blanks have been given.