Thank you for looking. I hope you like it. This is a revised edition in excellent condition. There are no folds or writing, and it is clean. Please check the condition in the images. For those who understand that this is a used item stored at home. "A book that thoroughly explains 6 years of elementary school math in one book: Learn with your child and use it for life!" Takuya Kosugi Price: ¥1000 #TakuyaKosugi #Takuya_Kosugi #book #nature/mathematics Chosen for its easy-to-understand explanations by children to the elderly, with 200,000 copies sold! The long-selling math book has been renewed. Compatible with the new curriculum guidelines from 2020! You can thoroughly cover items newly learned in elementary school from 2020, such as "representative values," "dot plots," and "histograms." For fathers and mothers who want to teach math well. We will explain the points, summarizing how math is taught in elementary school now and how to teach it so that your child can understand it easily. For elementary and junior high school students who want to review or prepare in advance. Not only does it explain the areas where students often stumble without omitting them, but you can also learn "tips for definitely getting points on tests," which are difficult to learn at school. For adults who want to relearn or exercise their minds. Even in areas you were not good at, or problems you have forgotten how to solve, you can solve them smoothly just by reading from the beginning. The 7 Strengths of This Book Strength 1: Contains points for teaching each item! Strength 2: You can learn "tips for solving problems" that are not taught in school! Strength 3: A reliable partner for home study! Strength 4: Commitment to "learning order" and "careful explanations"! Strength 5: Values the meaning of terms and includes an index at the end! Strength 6: The scope and level are the same as elementary school textbooks! Strength 7: Includes "addition and subtraction" learned in the 1st grade of elementary school! *As a purchase bonus, you can download a PDF of the explanations for the advanced level items of the textbook, "arc length and area of a sector" and "traveler's problem."