Kumon Grade 4 Decimals & Fractions (Kumon Math Workbooks) Description Our Calculation Workbooks follow the Kumon Method, a proven learning system that helps children succeed and excel in math. Kumon Workbooks gradually introduce new topics in a logical progression and always include plenty of practice. As a result, children master one skill at a time and move forward without anxiety or frustration. Our Calculation Workbooks overlap with the Common Core State Standards. Read more Features: Product Details: Publisher ‏ : ‎ Kumon Publishing North America; Workbook edition (June 4, 2008) Language ‏ : ‎ English Paperback ‏ : ‎ 96 pages ISBN-10 ‏ : ‎ 6 ISBN-13 ‏ : ‎ 86 Reading age ‏ : ‎ 8 - 10 years, from customers Grade level ‏ : ‎ 4 - Preschool Item Weight ‏ : ‎ 9.9 ounces Dimensions ‏ : ‎ 8.5 x 0.25 x 10.75 inches