{"product_id":"기탄큰수학-f단계","title":"Gitan Big Math Level F","description":"Description\n\nLevel F Learning Objectives\nBuilding on the mental math skills developed in Level E, this level focuses on mastering written calculation through vertical addition and subtraction practice.\n\nVolume (Book, Month) \/ Week - Learning Content\n\nBook F1, Weeks 1–4\nAddition up to sums of 99 (vertical form)\n(Two-digit number + one-digit number, no carrying)\n(Two-digit number + two-digit number, no carrying)\n(Two-digit number + one-digit number, with carrying)\n(Two-digit number + two-digit number, with carrying)\nAchievement Test\n\nBook F2, Weeks 1–4\nTwo-digit addition (carrying in the tens place)\nTwo-digit addition review\nAchievement Test\n\nBook F3, Weeks 1–4\nThree-digit addition\n(Three-digit number + one-digit number), (Three-digit number + two-digit number)\n(Three-digit number + three-digit number)\nThree-digit addition review\nFour-digit addition\n(Four-digit number + one-digit number), (Four-digit number + two-digit number), (Four-digit number + three-digit number), (Four-digit number + four-digit number)\nFour-digit addition review\nAchievement Test\n\nBook F4, Weeks 1–4\nOne-digit subtraction (vertical form)\nTwo-digit subtraction\n(Two-digit number - one-digit number, no borrowing)\n(Two-digit number - two-digit number, no borrowing)\n(Two-digit number - one-digit number, with borrowing)\n(Two-digit number - two-digit number, with borrowing)\nTwo-digit subtraction review\nAchievement Test\n\nBook F5, Weeks 1–4\nThree-digit subtraction\n(Three-digit number - one-digit number), (Three-digit number - two-digit number)\n(Three-digit number - three-digit number)\nFour-digit subtraction\n(Four-digit number - one-digit number), (Four-digit number - two-digit number)\n(Four-digit number - three-digit number), (Four-digit number - four-digit number)\nThree- and four-digit subtraction review\nFinal Test","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49623627333860,"sku":"1219724420","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/screen_shot_2020-02-22_at_7.59.34_pm_2.jpg?v=1786421008","url":"https:\/\/ibookpark.com\/en\/products\/%ea%b8%b0%ed%83%84%ed%81%b0%ec%88%98%ed%95%99-f%eb%8b%a8%ea%b3%84","provider":"IBOOKPARK","version":"1.0","type":"link"}