"Practical Mathematics Skills Certification Past Exam Questions Collection, Grade 10, Arithmetic Test [2017]" Japan Mathematics Certification Foundation Price: ¥800 "Practical Mathematics Skills Certification, Su-Ken (Mathematics Test) Introductory Textbook, Grade 10" Price: ¥1100 The past exam questions have some wear and tear, such as scratches and stains, but there are no markings in the problem book. The introductory textbook is relatively clean. This is a set for sale. I think it will be helpful for those who are going to take the exam. Thank you.