{"product_id":"math-mammoth-add-subtract-2-c","title":"Math Mammoth Add \u0026 Subtract 2-C","description":"\u003cp\u003eMath Mammoth Add and Subtract 2-C focuses on regrouping in addition\u003cbr\u003e\n(a.k.a. carrying) and in subtraction (a.k.a. borrowing), on a second grade level.\u003cbr\u003e\nThe book assumes the student has already learned to add two-digit\u003cbr\u003e\nnumbers with regrouping. In this book, students will learn 3-digit addition\u003cbr\u003e\nwith regrouping, and both 2- and 3-digit subtraction with regrouping, with\u003cbr\u003e\none exception: this book does not cover regrouping over zero tens in\u003cbr\u003e\nsubtraction, as that topic is left for 3rd grade level in the Math Mammoth\u003cbr\u003e\ncurriculum.\u003c\/p\u003e\n\n\u003cp\u003eIn the first lesson, the student adds three-digit numbers with a regrouping in\u003cbr\u003e\ntens, but there is no regrouping in hundreds.\u003c\/p\u003e\n\n\u003cp\u003eIn the next lesson, students regroup 10 tens as a hundred (or carry to the\u003cbr\u003e\nhundreds).\u003c\/p\u003e\n\n\u003cp\u003eThen we study regrouping twice in addition: 10 ones form a new ten, and\u003cbr\u003e\nthen 10 tens form a new hundred.\u003c\/p\u003e\n\n\u003cp\u003eThen, they learn the abstract process, adding the numbers in columns.\u003c\/p\u003e\n\n\u003cp\u003eNext, we study regrouping in subtraction, starting with two-digit numbers.\u003c\/p\u003e\n\n\u003cp\u003eNext, there is a lesson on word problems that include the thought of ÒmoreÓ\u003cbr\u003e\nor ÒfewerÓ, and also several techniques or ÒtricksÓ for mental subtraction.\u003cbr\u003e\nThe word problem sets in the book typically include both addition\u003cbr\u003e\nand subtraction problems.\u003c\/p\u003e\n\n\u003cp\u003eAfter this, it is time to study regrouping in subtraction with three-digit\u003cbr\u003e\nnumbers.\u003c\/p\u003e\n\n\u003cp\u003eLastly, students work with bar graphs and play EuclidÕs game, which is meant\u003cbr\u003e\nas a fun, supplemental lesson., math, addition, subtraction, 3rd grade, Maria Miller|  | 61PAGES\u003c\/p\u003e","brand":"Maria Miller","offers":[{"title":"Paperback","offer_id":46768471507105,"sku":"TOPSELL158","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/zm9nv6q-front-shortedge-384.jpg?v=1785209959","url":"https:\/\/bookswholesale.myshopify.com\/products\/math-mammoth-add-subtract-2-c","provider":"BooksWholesale","version":"1.0","type":"link"}