{"product_id":"기탄큰수학-e단계-2집","title":"Gitan Big Math Level E Book 2","description":"Description\n\nLevel E Learning Objectives\n\nBuilding on the basic mental arithmetic skills developed in Level D, this level focuses on learning basic subtraction up to 10. Through continued practice of both addition and subtraction learned so far, children work toward mastering solid mental math skills.\n\nBook (Volume\/Month) Week Learning Content\n\nE1 Weeks 1–4\nUnderstanding subtraction (subtracting smaller numbers)\nSubtraction 1: (1~12)-1\nSubtraction 2: (1~13)-2\nSubtraction 3: (1~15)-3\nPractice up to (1~15)-3\nAchievement Test\n\nE2 Weeks 1–4\nSubtracting 4–10\n(1~15)-4, (1~15)-5, (1~15)-6, (1~15)-7, (1~15)-8, (1~15)-9, (1~15)-10\nPractice up to (1~15)-10\nAchievement Test\n\nE3 Weeks 1–4\nSubtracting from numbers 11–12\nSubtracting from numbers 13–14\nSubtracting from numbers 15–16\nSubtracting from numbers up to 16\nComprehensive Achievement Test\n\nE4 Weeks 1–4\nSubtracting from numbers 17–19\nSubtracting from numbers 20–22\nSubtracting from numbers 23–25\nSubtracting from numbers up to 25\nComprehensive Achievement Test\n\nE5 Weeks 1–4\nComplete review of addition and subtraction (Levels C–E)\nFinal Test","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49623847567588,"sku":"1456880694","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/6000235322_1_1.jpg?v=1786422405","url":"https:\/\/ibookpark.com\/en\/products\/%ea%b8%b0%ed%83%84%ed%81%b0%ec%88%98%ed%95%99-e%eb%8b%a8%ea%b3%84-2%ec%a7%91","provider":"IBOOKPARK","version":"1.0","type":"link"}