Addition and Subtraction Activity Book For Children - 80+ Activities Inside [Paperback]This Addition and Subtraction Activity Book is a means to give young mathematicians ample practice to improve their skills in mathematics. The level of difficulty of the two concepts is gradually increased through fun activities. Reinforcement of both these concepts is done in simple and two digit addition and subtraction and in problem solving too. Pleasing illustrations will keep the young minds occupied as they sharpen their critical and reasoning