As a parent, we know how important it is for our children to do practice of addition, subtraction and multiplication. Not just 10-20 times, but hundreds of times. More they practice, better they become. This book lets a child do rigorous practice. It features more than 2000 sums with answers. In this book, there is single digit addition, subtraction and multiplication. Similarly same goes for double digit too. For multiplication and addition there are additional pages for three digit numbers also. One of the best feature of this book is, student will be able to immediately check for his answers by turning just one page.