A reference book for junior high school entrance exam preparation containing 920 calculation problems. - Title: Junior High School Entrance Exam: Past Questions in Order of Appearance - Calculations: 920 Questions to Success [4th Revised Edition] - Published: 2020 - ISBN: ISBN978-4-01-011249-6 - Contents: Calculation problem collection, 920 questions included, with explanations It has been used a bit, but I think it's still usable. There are check marks where mistakes were made, but they are in a light color, so they are not very noticeable. The pencil check marks should erase, so please erase them before use. My daughter put a lot of sticky notes on it, so I will send it as is. Please remove them or reuse them. I used it in conjunction with the Mathematics Proficiency Test. Thank you for looking.