NF.2.4.c

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

c. Solve word problems involving multiplication of a fraction by a whole number, e.g., by using visual fraction models and equations to represent the problem. For example, 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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Formative Assessments
Formative Assessments
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Students use a visual fraction model to explain how many one sixths are in thirteen sixths and record their work with an equation.
Fractions and Multiples
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Students are asked to multiply an improper fraction by a whole number to solve a word problem and use a visual model or equation to represent the problem.
Training For a Race
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Students are asked to multiply a fraction by a whole number and to represent the product with a visual fraction model.
How Many One Fourths?
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Students are asked to multiply a fraction by a whole number to solve a word problem and to represent the product with a visual fraction model.
How Much Sugar?
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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CPALMS: This quiz asks you to simplify fractions, convert fractions to decimals and percentages, and answer algebra questions involving fractions.
Fraction Quiz
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CPALMS: This fun and interactive game helps practice estimation skills, using various operations of choice, including addition, subtraction, multiplication, division, using decimals, fractions, and percents.
Ice Ice Maybe:  An Operations Estimation Game
Assessment Questions
Assessment Questions
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Equation Editor
Videos of Expert Instruction
Videos of Expert Instruction
Use Real Link and Title
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Use Real Link and Title
Hook/Performance Tasks
Hook/Performance Tasks
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This task provides a familiar context allowing students to visualize multiplication of a fraction by a whole number.
IM:  Sugar in Six Cans of Soda
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This task can be used at the beginning of a fourth grade unit on multiplication with fractions to evaluate what students know about multiplication.
IM:  Extending Multiplication from Whole Numbers to Fractions