{"product_id":"상위권연산-960-b4","title":"Sangwigwon Yeonsan 960 B4","description":"Description: Sangwigwon Yeonsan 960 approaches the study of numbers and operations—the starting point of math and an essential tool across all areas—with a new philosophy and methodology. Through task-based number and operation problems combined with various situations, processes, and methods, this workbook not only builds strong computation skills but also nurtures higher-level mathematical thinking. B4 (Units 661–720): Chapter 1 - Understanding the Multiplication Table; Chapter 2 - Multiplication Practice; Chapter 3 - Multiplying Three Numbers and Finding Multiplication Patterns; Chapter 4 - Multiplication with Addition and Subtraction; Answer Key","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49623790878948,"sku":"1387935424","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/EC_83_81_EC_9C_84_EA_B6_8C_EC_97_B0_EC_82_B0-B4.jpg?v=1786422082","url":"https:\/\/ibookpark.com\/en\/products\/%ec%83%81%ec%9c%84%ea%b6%8c%ec%97%b0%ec%82%b0-960-b4","provider":"IBOOKPARK","version":"1.0","type":"link"}