{"product_id":"math-mammoth-introduction-to-fractions-9781954358584","title":"Math Mammoth Introduction to Fractions","description":"\u003cp\u003e\u003cem\u003eMath Mammoth Introduction to Fractions\u003c\/em\u003e contains lessons for fraction arithmetic for grades 1-4. This material does not include division or multiplication of fractions, nor adding unlike fractions, which are topics for 5th and 6th grades. Also, most of the material here is for 3rd and 4th grades, and only a few lessons are meant for grades 1-2.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe topics covered are on a simple level, constantly \u003cstrong\u003eillustrated with visual models\u003c\/strong\u003e, and with small denominators. The presentation avoids spelling out specific rules for manipulating fractions, but instead relies on the usage of pictures on a very concrete level. Children easily confuse the various rules for fraction arithmetic, because there are so many. There is a place for the rules, as shortcuts for ideas that are already understood, but we do not start with them. The goal is to let the \u003cstrong\u003ebig ideas sink in conceptually\u003c\/strong\u003e first, followed by some shortcuts.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe topics covered are\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eone half and one fourth\u003c\/li\u003e\n\u003cli\u003econcept of a fraction\u003c\/li\u003e\n\u003cli\u003econcept of a mixed number\u003c\/li\u003e\n\u003cli\u003ecomparing fractions\u003c\/li\u003e\n\u003cli\u003eequivalent fractions\u003c\/li\u003e\n\u003cli\u003eadding and subtracting like fractions\u003c\/li\u003e\n\u003cli\u003eadding and subtracting mixed numbers with like fractional parts\u003c\/li\u003e\n\u003cli\u003eadding one fraction that has tenths and another that has hundredths (such as 3\/10 + 7\/100)\u003c\/li\u003e\n\u003cli\u003emultiplying a fraction by a whole number\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe lessons are organized by topic, not by increasing difficulty. For reference, 1st grade students study only the concept of one half and one fourth. In 2nd grade, they study the concept of a fraction and optionally the easiest (first) lesson on comparing fractions. In 3rd grade, students study the concept of a fraction, fractions on a number line, comparing fractions, and equivalent fractions. Then in 4th, they study mixed numbers, comparing fractions, equivalent fractions, adding and subtracting fractions and mixed numbers, and multiplying fractions by whole numbers.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe answers are appended.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Math Mammoth\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 04\/02\/2024\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781954358584\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 98\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.55lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.20d","brand":"Maria Miller","offers":[{"title":"Default Title","offer_id":44087266672821,"sku":"9781954358584","price":17.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/files\/img_4a2d7f23-3114-4a99-8770-e49e825d6db7.jpg?v=1714456835","url":"https:\/\/pastforward.org\/products\/math-mammoth-introduction-to-fractions-9781954358584","provider":"Past Forward","version":"1.0","type":"link"}