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Standards/Math/West Virginia/M.5.15

M.5.15

M.5 Grade 5
M.5.1
M.5.10
M.5.11
M.5.12
M.5.13
M.5.14
M.5.15
M.5.15.aM.5.15.b
M.5.16
M.5.17
M.5.18
M.5.19
M.5.2
M.5.20
M.5.21
M.5.22
M.5.23
M.5.24
M.5.25
M.5.26
M.5.3
M.5.4
M.5.5
M.5.6
M.5.7
M.5.8
M.5.9
M.5.G
M.5.MD
M.5.NBT
M.5.NF
M.5.OA

Interpret multiplication as scaling (resizing), by:

M.5.15.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.M.5.15.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.
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