{"product_id":"상위권연산-960-a1","title":"Sangwigwon Yeonsan 960 A1","description":"Description\nSangwigwon Yeonsan 960 approaches number and calculation learning—the starting point of mathematics and an essential tool across all areas of the subject—with a fresh philosophy and methodology. Through task-solving calculation problems combined with a variety of situations, processes, and approaches, this series not only completes children's calculation skills but also builds higher-level mathematical thinking.\n\nSangwigwon Yeonsan 960 will be a great help for children who find simple, repetitive calculation practice boring or tedious; children who need creative-thinking calculation practice beyond the basics; children working on advanced application problems tied to the school curriculum; children who need to think through math rather than mechanically solve problems; children who want to build a solid foundation rather than rush into excessive advanced learning; children preparing step by step from an early grade for gifted education programs, math olympiads, or specialized secondary schools; and indeed all children who love math and want to excel at it.\n\n[Book Composition]\n6 books at the P level, 4 books each at levels A through D, 22 books in total\nA1: 241–300, Numbers up to 100\nA2: 301–360, Addition\nA3: 361–420, Subtraction\nA4: 421–480, Applying Addition and Subtraction\n\n[Recommended Grade]\nAn essential critical-thinking calculation workbook for top-performing 1st grade elementary school students\n\nTable of Contents\nA1: 241–300, Numbers up to 100\nIssue 1: Numbers up to 9\nIssue 2: Numbers up to 50\nIssue 3: Numbers up to 100 (1)\nIssue 4: Numbers up to 100 (2)\nAnswer Key","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49623790584036,"sku":"1387933762","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/9791134700157-a1.jpg?v=1786422078","url":"https:\/\/ibookpark.com\/en\/products\/%ec%83%81%ec%9c%84%ea%b6%8c%ec%97%b0%ec%82%b0-960-a1","provider":"IBOOKPARK","version":"1.0","type":"link"}