4.NOS.D: Extend understanding of fraction equivalence and ordering.

Extend understanding of fraction equivalence and ordering.

4.NOS.D.9Understand and generate equivalent fractions. a. Identify and generate equivalent fractions using representations and the Identity Property of Multiplication. b. Explain why fractions are equivalent (c/d = (n × c)/(n × d)).4.NOS.D.10Compare two fractions with different numerators and different denominators, understanding that comparisons are valid only when the two fractions refer to the same whole. a. Use benchmark numbers (e.g., 1/2, 1), common numerators, and common denominators to compare. b. Record comparisons with symbols >, =, <. c. Justify comparisons using representations and reasoning.

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