A simple guide for parents and kids to understand different methods of doing addition and subtraction. This book is recommended for kids who already knows basic 1 digit addition and subtraction. The book also has worked out examples on different methods and some challenging questions with answer key. It is recommended for age 7-9 year olds.
A simple guide for parents and kids to understand different methods of doing addition and subtraction. This book is recommended for kids who already knows basic 1 digit addition and subtraction. The book also has worked out examples on different methods and some challenging questions with answer key. It is recommended for age 7-9 year olds.