Building a strong foundation in math is essential as third-graders prepare to advance to more difficult math concepts. Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. The Addition and Multiplication Workbook is essential for beginners with Addition and Subtraction to practice step-by-step guide on how to solve basic problems and more. Improve your child's success in class with lots of addition and subtraction practice.