Unit 3: Using Models to Multiply and Divide Fractions

Lesson 1:  Magnitude of Products

NC.5.NF.4

5th Grade Unpacking Document

• I can examine factors to reason about the magnitude of the product and write generalizations for multiplying  by a fraction greater than, less than, and equal to 1.

• None

Lesson 2:  Multiplying Fractions & Whole Numbers Intro

NC.5.NF.4

5th Grade Unpacking Document

• I can explore and use a variety of models to multiply fractions by whole numbers.

• • Video Links

    • Multiply Unit Fraction by Whole Number

    • Multiply Fraction X Whole with Number Lines

    • Multiply Non-Unit Fraction X Whole with Number Lines

    • Multiply Fraction X Whole Number with Area Models

Lesson 3:  Servings at Fifth Grade Ice Cream Party

NC.5.NF.4

5th Grade Unpacking Document

• I can explore situations that involve multiplying a whole number by a fraction.

• • Video Links

    • Multiply Unit Fraction by Whole Number

    • Multiply Fraction X Whole with Number Lines

    • Multiply Non-Unit Fraction X Whole with Number Lines

    • Multiply Fraction X Whole Number with Area Models

Lesson 4:  Arrays to Multiply Fractions & Whole Numbers

NC.5.NF.4

5th Grade Unpacking Document

• I can explore the use of array models to multiply a whole number by a fraction.

• None

Lesson 5:  Collecting Recyclables

NC.5.NF.4

5th Grade Unpacking Document

• I can explore situations that involve multiplying a whole number by a unit fraction using fraction bars.

• • Virtual Manipulatives

    • Interactive Fraction Bars

Lesson 6:  Collecting More Recyclables

NC.5.NF.4

5th Grade Unpacking Document

• I can explore situations that involve multiplying a whole number by a unit fraction using fraction bars.

• • Virtual Manipulatives

    • Interactive Fraction Bars

Lesson 7:  Amazing Race #1

NC.5.NF.4

5th Grade Unpacking Document

• I can explore situations that involve multiplying a whole number by a unit fraction using a variety of strategies.

• • Video Links

    • Multiply Unit Fraction by Whole Number

    • Multiply Fraction X Whole with Number Lines

    • Multiply Non-Unit Fraction X Whole with Number Lines

    • Multiply Fraction X Whole Number with Area Models

Lesson 8:  Explore Multiplying a Fraction by a Fraction

NC.5.NF.4

5th Grade Unpacking Document

• I can experiment with ideas for multiplying a fraction by another fraction.

• • Virtual Manipulatives

    • Interactive Fraction Bars

Lesson 9:  Interpret Fractions as Division (Day 1 of 2)

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use models and equations to begin to develop an understanding of a fraction as the division of the numerator by the denominator.

• None

Lesson 10:  Interpret Fractions as Division (Day 2 of 2)

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use models and equations to begin to develop an understanding of a fraction as the division of the numerator by the denominator.

• • None

Lesson 11:  Picnic Sharing

NC.5.NF.3

NC.5.NF.7

NC.5.OA.2

5th Grade Unpacking Document

• I can solve one-step word problems in which I model and interpret a fraction as the division of the numerator by the denominator.

• • None

Lesson 12:  Fractions as Division

NC.5.NF.3

NC.5.NF.7

NC.5.OA.2

5th Grade Unpacking Document

• I can apply understandings of fractions as the division of the numerator by the denominator to solve word problems.

• • None

Lesson 12:  Fractions as Division

NC.5.NF.3

NC.5.NF.7

NC.5.OA.2

5th Grade Unpacking Document

• I can apply understandings of fractions as the division of the numerator by the denominator to solve word problems.

• • None

Lesson 13:  Divide Whole Numbers by Unit Fractions

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use models to solve one-step word problems involving the division of whole numbers by unit fractions.

• • None

Lesson 14:  Dividing and Remembering Fractions

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use models to solve one-step word problems involving the division of whole numbers by unit fractions in matching context as well as independent practice.

• • None

Lesson 15:  Create the Context

NC.5.NF.3

NC.5.NF.7

NC.5.OA.2

5th Grade Unpacking Document

• I can write and solve story contexts to match expressions that involve dividing a whole number by a unit fraction.

• • Technology Links

    • Storyboard Builder

Lesson 16:  Divide Unit Fraction by Whole Number

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can Use models to solve one-step word problems involving the division of unit fractions by whole numbers.

• None

Lesson 17:  Division Tic-Tac-Toe, What Do You Know?

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use models to solve one-step word problems involving the division of unit fractions by whole numbers while playing tic-tac-toe.

• • Video Links

    • Divide Unit Fraction by Whole Number

Lesson 18:  Create the Context...Again!

NC.5.NF.3

NC.5.NF.7

NC.5.OA.2

5th Grade Unpacking Document

• I can write and solve story problems to match expressions that involve dividing a unit fraction by a whole number.

• • Video Links

    • Divide Unit Fraction by Whole Number

Lesson 19:  Division Connect Four

NC.5.NF.3

NC.5.NF.7

5th Grade Unpacking Document

• I can use fractions to model and solve one-step word problems while playing connect four.

• • Video Links

    • Divide Unit Fraction by Whole Number

Lesson 20:  Review it All - Connect Four

NC.5.NF.3

NC.5.NF.4

NC.5.NF.7

5th Grade Unpacking Document

• I can solve word problems involving multiplying and dividing fractions in small groups through a class game of Connect Four.

• • Video Links

    • Multiply Fraction X Whole Number with Area Models

    • Divide Unit Fraction by Whole Number