5.NF.B.4

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

 
15 Lesson(s)
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Multiplying Fractions by Whole Numbers (Day 1)

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Developing understanding of the multiplication of fractions and of division of fractions is a Critical Area in 5th grade.

 
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Resources (28)
 
Reflections (1)
screen shot 2014 04 21 at 3 06 34 pm
   

The Multiplying Game

6th Grade Math » Unit: Fraction Operations
6th Grade Math » Unit: Fraction Operations
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

How can you create the smallest product in the Multiplying Game? Students apply what they know about multiplying fractions to the Multiplying Game.

 
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Reflections (1)
unit 4 10 strategy 1
   

Multiplying Two Fractions (Day 1)

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Students practice multiplying fractions using models and mathematical procedures.

Standards:
 
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Resources (23)
 
Reflections (1)
screen shot 2014 04 03 at 3 11 13 pm
   

Mixed Number Multiplication

6th Grade Math » Unit: Fraction Operations
6th Grade Math » Unit: Fraction Operations
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

How can we use diagrams to multiply mixed numbers? How can we multiply mixed numbers without using a diagram? Students apply what they know about multiplying fractions to multiplying with mixed numbers.

 
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Resources (29)
 
Reflections (2)
unit 4 9 image
   

Representing Fraction Multiplication Day 2

6th Grade Math » Unit: Fraction Operations
6th Grade Math » Unit: Fraction Operations
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

What does it mean when you multiply fractions? How can you multiply fractions without drawing a diagram? Students build on their skills for multiplying fractions and they work to develop an algorithm.

 
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Resources (27)
 
Reflections (1)
unit 4 8 image
   

Pretest

6th Grade Math » Unit: Fraction Operations
6th Grade Math » Unit: Fraction Operations
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

What do students already know about fractions? What gaps do students have in their understanding? Students take the fractions pretest in order to inform instruction.

 
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Resources (9)
unit 4 0 image
   

Representing Fraction Multiplication

6th Grade Math » Unit: Fraction Operations
6th Grade Math » Unit: Fraction Operations
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

Riley has only completed one-third of her part of the mural. How can you find 1/3 of 1/2? Students extend their understanding of multiplication to fractions and area models.

 
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Resources (27)
 
Reflections (1)
unit 4 7 image
   

Multiplying with Fractions

6th Grade Math » Unit: Number Sense
6th Grade Math » Unit: Number Sense
Michelle Schade
Plainfield, IL
Environment: Suburban
 
Big Idea:

Students will use their understanding of multiplying fractions and apply it to dividing fractions which is a key component in common core.

 
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Resources (20)
 
Reflections (1)
mh900340018
   

Expressing Fractions, Mixed Numbers, and Division Expression

5th Grade Math » Unit: Adding and Subtracting Fractions with Unlike Denominators
5th Grade Math » Unit: Adding and Subtracting Fractions with Unlike Denominators
James Ewing
Seattle, WA
Environment: Urban
 
Big Idea:

0.25 is the same as 25/100. And ½ is the same as 5/10 is the same as .5

 
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Resources (28)
 
Reflections (1)
piet mondrian
   

Fraction Cover Up

5th Grade Math » Unit: Fractions
5th Grade Math » Unit: Fractions
Cathy Skinner
Scottsdale, AZ
Environment: Urban
 
Big Idea:

Students need to concrete models be able to see the exchange of fractions with unlike denominators.

 
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Resources (14)
 
Reflections (1)
sandwich fraction
   

Multiplying Fractions by Whole Numbers (Day 2)

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Students continue to work on problem based tasks that involve multiplying fractions by whole numbers.

 
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Resources (13)
screen shot 2014 04 02 at 12 41 22 pm
   

Multiplying Fractions (Day 2)

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Students apply skills they have learned and practiced to solve a real life problem about our local "save our salmon" project.

 
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Resources (21)
 
Reflections (1)
screen shot 2014 04 21 at 1 30 18 pm
   

Multiplying Fractions to Find Area

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Students practice multiplying mixed numbers for the purpose of finding area.

 
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Resources (20)
 
Reflections (1)
lesson
   

Skill Based Mixed Review

5th Grade Math » Unit: Multiplying and Dividing Fractions
5th Grade Math » Unit: Multiplying and Dividing Fractions
Julie Kelley
Tyngsborough, MA
Environment: Suburban
 
Big Idea:

Students have an opportunity to show what they know about fractions in this skill based mixed review activity.

 
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Resources (18)
 
Reflections (1)
screen shot 2014 04 17 at 11 23 09 am
   

Missing Fractions

5th Grade Math » Unit: Fractions
5th Grade Math » Unit: Fractions
Cathy Skinner
Scottsdale, AZ
Environment: Urban
 
Big Idea:

You have to see it visually to make it concrete.

 
Favorites (3)
 
Resources (12)
 
Reflections (1)
inchworm

Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)

Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas.

Common Core Math
 
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