Math教材 for 4th graders, including exercises and answers. - Title: 4th Grade Math I-2 - Title: 4th Grade Math II-2 - Contents: Includes exercises and answers - Included: Answer sheets There are many writings in the textbook because it was a write-in style for the cram school. Also, the child's name and phone number are written, so I will cut them out. Please purchase only if you understand the above and are okay with it. I am selling this because I think you can get a feel for what Ichishin is like. For those considering entering the cram school from 5th grade, or those who are thinking of studying at home in 4th grade.