"This workbook will introduce your child to the addition of two multiple-digit numbers."--cover.

Our Calculation Workbooks follow the Kumon Method, a proven learning system that helps children succeed and excel in math. Kumon Workbooks gradually introduce n

Do your students have the incorrect idea that addition “makes numbers bigger” and subtraction “makes numbers smaller”? Do they believe that subtraction

What is the relationship between addition and subtraction? How do you know whether an algorithm will always work? Can you explain why order matters in subractio