My Book of SUBTRACTION
구성: 80 pages
배송: 단행본 두권이상 무료배송
9 in stock (can be backordered)
This workbook will improve and expand on the skills acquired in My Book of SIMPLE SUBTRACTION. In this book, children will practice first how to subtract the numbers 1 through 9 and then they will reinforce this skill by learning how to subtract numbers 1 through 20. The purpose of this book is to prepare children for higher-level mathematics by improving their basic subtraction skills.