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Standards/Math/West Virginia/M.4.15

M.4.15

M.4 Grade 4
M.4.1
M.4.10
M.4.11
M.4.12
M.4.13
M.4.14
M.4.15
M.4.15.aM.4.15.bM.4.15.c
M.4.16
M.4.17
M.4.18
M.4.19
M.4.2
M.4.20
M.4.21
M.4.22
M.4.23
M.4.24
M.4.25
M.4.26
M.4.27
M.4.28
M.4.3
M.4.4
M.4.5
M.4.6
M.4.7
M.4.8
M.4.9
M.4.G
M.4.MD
M.4.NBT
M.4.NF
M.4.OA

Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.

M.4.15.aUnderstand a fraction a/b as a multiple of 1/b, (e.g., use a visual fraction model to represent 5/4 as the product 5 × (1/4), recording the conclusion by the equation 5/4 = 5 × (1/4)).M.4.15.bUnderstand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number (e.g., 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).M.4.15.cSolve word problems involving multiplication of a fraction by a whole number by using visual fraction models and equations to represent the problem (e.g., If each person at a party will eat 3/8 of a pound of roast beef, and there will be 5 people at the party, how many pounds of roast beef will be needed? Between what two whole numbers does your answer lie?).
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