{"product_id":"상위권연산-960-d1","title":"Sangwigwon Yeonsan 960 D1","description":"Description\n\nSangwigwon Yeonsan 960 approaches number and computation learning—the starting point of math and an essential tool across all areas—with a new philosophy and methodology. Through task-based computation problems combined with diverse situations, processes, and methods, this series not only completes students' computation skills but also builds higher-level mathematical thinking.\n\nSangwigwon Yeonsan 960 will be a great support for children who get bored or tired of simple repetitive computation drills, children who need creative-thinking computation practice beyond the basics, children preparing for advanced curriculum applications, children who need to think through math rather than solve problems mechanically, children who want to build a solid foundation rather than rush into excessive advanced learning, children steadily preparing from an early grade for gifted education programs, math olympiads, or specialized middle\/high schools, and indeed any child who loves math and wants to excel at it.\n\n[Book Composition]\n6 books for Level P, 4 books each for Levels A–D, 22 books total\n\nD1: 961–1020 Multiplication and Division\nD2: 1021–1080 Mixed Calculations\nD3: 1081–1140 Addition and Subtraction of Fractions\nD4: 1141–1200 Addition and Subtraction of Decimals\n\n[Recommended Grade]\nA must-have thinking-skills computation workbook for top-performing 4th grade elementary students\n\nTable of Contents\n\nD1: 961–1020 Multiplication and Division\n\nIssue 1: (3-digit number) × (2-digit number), (4-digit number) × (2-digit number) (1)\nIssue 2: (3-digit number) × (2-digit number), (4-digit number) × (2-digit number) (2)\nIssue 3: (2-digit number) ÷ (2-digit number)\nIssue 4: (3-digit number) ÷ (2-digit number)\n\nAnswer Key Included","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49623791042788,"sku":"1388091949","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/9791134700270-d1.jpg?v=1786422083","url":"https:\/\/ibookpark.com\/en\/products\/%ec%83%81%ec%9c%84%ea%b6%8c%ec%97%b0%ec%82%b0-960-d1","provider":"IBOOKPARK","version":"1.0","type":"link"}