This is a math textbook for 5th graders that supports programming education. - Title: Arithmetic for Self-Study, 5th Grade - Author: Ryuji Nakamatsu - Series: Asahi Shogakusei Shimbun Learning Series - Price: 1500 yen - ISBN: 978-4-994826-46-1 Thank you for viewing. There are pencil markings (and a few colored pencil marks) on pages 27 and 124-125. (I have checked carefully, but I apologize if I missed anything.) For those who don't mind used items, thank you for your understanding.