Both were published in January and April 2025! Fresh off the press, the latest editions! This is a set of calculation workbooks and explanation books for 6th graders. These were used in conjunction with "Master Arithmetic for 6th Grade." They are designed to improve calculation skills and solidify unit knowledge by completing short answer questions. - Title: Calculation & Short Answer Complete Master 6th Grade - Target Grade: 6th Grade - Contents: Chapter 1 February 1st - April 30th Answers & Explanations - Contents: Chapter 2 May 1st - July 31st Answers & Explanations These have been used by a child and have writing and markings. There are also stains and scratches. Roughly 80% of the book has been written in. The name sticker has been removed. Please understand that these are used reference books that have been used by a child before purchasing. Feel free to ask any questions in the comments. Instant purchase is okay. I also have other items for sale, such as those from Nittenken and for junior high school entrance exams. I offer a combined discount for items shipped together. Please take a look if you'd like. #Hamagakuen #Calculation #Volume 1 Volume 2