Not filled in. Calculation Workbook You Can Do Without Overdoing It / With Answers This is a learning material that helps you develop your calculation skills by classifying calculation problems from elementary school to the third year of junior high school into grades from 20th grade to 1st grade, and gradually stepping up. Furthermore, each grade is divided into 8 levels, from A to H, so you can improve your calculation skills in small steps. The amount of problems is also 10 questions for each level, so you can strengthen your calculation skills firmly by repeatedly solving the same level of problems. In the "Entrance Exam Practical Training" at the end of the book, entrance exam questions from public and private schools are presented by content: number calculations, formula calculations, and how to solve equations. There are 11 tests, each with 20 questions and a perfect score of 100 points, so you can practice repeatedly in a practical way.