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Standards/Math/Northern Mariana Islands/5.NF.B.5

5.NF.B.5

5.NF.B Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
5.NF.B.3
5.NF.B.4
5.NF.B.5
5.NF.B.5.a5.NF.B.5.b
5.NF.B.6
5.NF.B.7

Interpret multiplication as scaling (resizing), by:

5.NF.B.5.aComparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication.5.NF.B.5.bExplaining 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.
Khan Academy Resources
Fraction multiplication as scalingDividing a unit fraction by a whole numberMultiplication as scaling with fractionsFraction multiplication as scaling examples
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