Effort for Elementary School Skill Development: Math, Japanese, Science, and Social Studies Textbooks, Stages 1, 2, A, B - Title: Effort: Math, Japanese, Science, and Social Studies - Subjects: Math, Japanese, Science, Social Studies - Series Name: Effort for Elementary School Skill Development - Stages: 1, 2 (Math, Japanese) A, B (Science, Social Studies) - Answer Key: Science and Social Studies only ⚠️ The answer key booklet only includes Science and Social Studies. There are no answers for Math and Japanese. If you wish, they can be sold separately (at a corresponding price). Thank you for viewing.