{"product_id":"helping-at-the-book-sale-john-chen-9781477720523","title":"Helping at the Book Sale: Represent and Solve Subtraction Problems","description":"Algebra is a foundational concept in the study of mathematics, and readers will delight in learning the principles of operations and algebraic thinking in a relatable and engaging way. Topics such as adding and subtracting within 20, using algebraic principles to solve equations and word problems, and understanding the relationship between addition and subtraction will give beginning math students a firm grasp on basic math concepts. Readers will practice subtracting within 20 at a book sale, where books flying off the shelves become the factors in subtraction equations. This volume satisfies CCSS Math Standard 1.OA.A.1. This book should be paired with The Book Sale (9781477721452) from the InfoMax Math Readers Program to provide the alternative point of view on the same topic.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e John Chen\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1477720529\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781477720523\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Rosen Classroom\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 08\/16\/2013\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 24\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.26lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 7.80h x 7.70w x 0.20d","brand":"John Chen","offers":[{"title":"Paperback","offer_id":48518594134271,"sku":"9781477720523","price":9.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_17e0ed3a-47c1-4c4c-999e-ce5c61a61012.jpg?v=1778734903","url":"https:\/\/www.whiterainbookhouse.com\/products\/helping-at-the-book-sale-john-chen-9781477720523","provider":"WR Book House","version":"1.0","type":"link"}