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2012 Common Core State Standards for English Language Arts

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Crabtree Publishing Company<strong>2012</strong> <strong>Common</strong> <strong>Core</strong> <strong>State</strong> <strong>Standards</strong> <strong>for</strong> MathematicsGRADE THREEGeometryReason with shapes and their attributes.3.G.1. Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides),and that the shared attributes can define a larger category.Page85HC Price QTY HC ISBN Title Series PB Price QTY PB ISBN GRL$16.95 ______ 978-0-7787-6784-8 Polygons My Path to Math $6.95 ______ 978-0-7787-6793-0 LGRADE FOURExtend understanding of fraction equivalence and ordering.4.NF.1. Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the numberand size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generateequivalent fractions.4.NF.2. Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators,or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to thesame whole. Record the results of comparisons with symbols >, =, or , =, or

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