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Divide Whole Numbers by Unit Fractions (Grade 5)





 

Videos and lessons to help Grade 5 students learn to apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions.

A. Interpret division of a unit fraction by a non-zero whole number, and compute such quotients. For example, create a story context for (1/3) ÷ 4, and use a visual fraction model to show the quotient. Use the relationship between multiplication and division to explain that (1/3) ÷ 4 = 1/12 because (1/12) × 4 = 1/3.

B. Interpret division of a whole number by a unit fraction, and compute such quotients.For example, create a story context for 4 ÷ (1/5), and use a visual fraction model to show the quotient. Use the relationship between multiplication and division to explain that 4 ÷ (1/5) = 20 because 20 × (1/5) = 4.

C. Solve real world problems involving division of unit fractions by non-zero whole numbers and division of whole numbers by unit fractions, e.g., by using visual fraction models and equations to represent the problem For example, how much chocolate will each person get if 3 people share 1/2 lb of chocolate equally? How many 1/3-cup servings are in 2 cups of raisins?

Common Core: 5.NF.7b

Suggested Learning Targets

  • I can create story contexts for problems involving division of a fraction.
  • I can solve problems involving division of fractions.
  • I can explain or illustrate my solution using fraction models or equations.

Related Topics:
Common Core for Grade 5

Divide Unit Fractions by Whole Numbers (5nf7a)

Divide Fraction Word Problems (5nf7c)

Interpret and compute division of whole numbers by unit fractions--Lesson 1 of 3 (Standard 5.NF.7b)
In this lesson you will learn to divide whole numbers by unit fractions using a model.
Interpret and compute division of whole numbers by unit fractions--Lesson 2 of 3 (Standard 5.NF.7b)
In this lesson you will learn to divide whole numbers by fractions using a number line.



Interpret and compute division of whole numbers by unit fractions--Lesson 3 of 3 (Standard 5.NF.7b)
In this lesson you will learn to divide whole numbers by unit fractions using the multiplicative inverse.
Divide whole numbers by unit fractions using visual models.


 
Divide whole numbers by unit fractions using the number line - 5.NF.7
Divide whole numbers by unit fractions using inverse relations between multiplication and division - 5.NF.7


Divide whole numbers by unit fractions using bar models.
Dividing Fractions
5.NF.7.a [divide a fraction by a whole number]
5.NF.7.b [divide a whole number by a fraction]
5.NF.7.c [solve word problems involving division of fractions]


 
5.nf.7abc
The Common Core State Standards (CCSS) videos are designed to support states, schools, and teachers in the implementation of the CCSS. Each video is an audiovisual resource that focuses on one or more specific standards and usually includes examples/illustrations geared to enhancing understanding. The intent of each content-focused video is to clarify the meaning of the individual standard rather than to be a guide on how to teach each standard although the examples can be adapted for instructional use.



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