Waseda Academy Calculation practice to be completed during summer vacation. Used up to day 6 of 42 days (until 7/26). Unused after that. 36 days worth of material with no writing. 5 questions per day. I hope you will use this to help you prepare for the November final exam. For those aiming for junior high school entrance exams in 2025. We are cheering you on! NN Oin Calculation practice for passing Oin Junior High School. Grade 6