SAPIX 4th Grade Math Basic Skills Consolidation Test 8-37 Each session has ① and ②. These are pre-class tests held twice a week for 4th graders to measure understanding of basic training content and lesson content. ①08-37 ②08-37 Each is printed on both sides. The inner side (Photo 2) contains the problems and answer spaces, and the outer side (Photo 1) contains the problems and answer explanations. The actual problem sheets used are separate, so there are no markings on this product. There are some minor stains. (Photo 3) - We ask that only those who understand that this is a used item actually used by an elementary school student and stored at home purchase it. - As this is a copyable product, returns are not accepted.