SZ I Know It Add and Subtraction

SZ I Know It Add and Subtraction

Learning addition and subtraction skills can be easy and fun with Addition & Subtraction. The lessons in this book focus on understanding and practising addition and subtraction with single-digit, two-digit and three-digit numbers. 

Featuring clear instructions, step-by-step examples and colourful illustrations, these engaging activities teach and reinforce regrouping, fact families, and more.