Revised edition of a reference book covering the math curriculum for parents and children. - Title: A Book to Thoroughly Understand 6 Years of Elementary School Math in One Volume - Author: Takuya Kosugi - Content: Covers the math curriculum taught in elementary schools from 2020 - Features: Content for parents and children to learn together, format that answers various questions - Edition: Revised Edition Thank you for viewing. This is a used item stored at home. There are no missing pages or writings, and it is in a clean condition. Please check the images and consider purchasing.