4.NF.B.4.b

6b9cbaef-d7cc-11e8-824f-0242ac160002 6b9f3cb3-d7cc-11e8-824f-0242ac160002 6b9de49f-d7cc-11e8-824f-0242ac160002 4.NF.B 4.NF.B.4 4.NF.B.4.b

Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number. <em>For example, use a visual fraction model to express 3 × (2/5) as 6 × (1/5), recognizing this product as 6/5. (In general, n × (a/b) = (n × a)/b.)</em>

Propose a mapping

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