4th Grade Elementary School * Winter Intensive Seminar: Grade 4 Japanese/Math 2-Book Set * Winter Textbooks Features: This set helps students solidify fundamental knowledge by solving problems at the textbook level. Includes "Unit Tests (Separate Volume)" and answer keys with explanations. Notes: This is a textbook specifically for cram schools and is not available for retail sale. This is not a textbook that directly follows the curriculum. This is a review copy, and a sticker indicating this is affixed to the back cover. However, the content is unaffected. Thank you for your understanding.