Colorado Academic Standards for Mathematics (2010)

4.1.2.a

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Use ideas of fraction equivalence and ordering to:

Propose a mapping

Children

4.1.2.a.i
4.1.2.a.ii
4.1.2.a.iii

Translations

Common Core State Standards for Math

5.NF.A

Use equivalent fractions as a strategy to add and subtract fractions.

Partial match Proposed 35%

5.NF.B.5.b

Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence a/b = (n×a)/(n×b) to the effect of multiplying a/b by 1.

Partial match Proposed 30%