Curriculum Library

Fractions Big Idea 9: Dividing with Fractions

Key Concept: Division with one or more fractions is a way to find the value of one part of something so it can be shared equally.

Unit Launcher    
View William's Road Trip: Discussion Guide and KWL Chart

Lesson Sequences

F.9-1-1 Divide Whole Number by Whole Number: Sharing  |
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Write a paraphrase and learn to use a number line model to find the quotient of an equal shares word problem involving whole numbers. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.9-1-2 Divide Proper Fraction by Whole Number: Sharing  |
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Write a paraphrase and use a number line or area model to find the quotient of an equal shares word problem involving a fraction and a whole number. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.9-1-3 Complete Mixed by Whole Number Division Equations  |
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Write a paraphrase and use a number line or area model to find the quotient and simplify it. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
F.9-1-4 Divide Across Procedure: Sharing  |
View Lesson Opener Walk-About (8-10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve equal shares word problems. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
Real World Investigation Part 1    
View William's Road Trip: William's Data
Key Concept: Division can be used to determine how many fractional parts of a specific size are contained in a whole.

Lesson Sequences

F.9-2-1 Divide Whole Number by Whole Number: Measurement  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Write a paraphrase and learn to use a number line model to find the quotient of a measurement word problem involving whole numbers. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.9-2-2 Divide Whole Number by Fraction: Measurement  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Write a paraphrase and use a number line or area model to find the quotient of a measurement word problem involving a fraction and a whole number. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.9-2-3 Complete Mixed Number by Fraction Equations  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Write a paraphrase and use a number line or area model to find the quotient of a measurement word problem involving a fraction and a mixed number. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.9-2-4 Divide Across Procedure with Larger Divisors  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Write a paraphrase and use a number line or area model to find the quotient of a measurement word problem in which the dividend is smaller than the divisor. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
Real World Investigation Part 2    
View William's Road Trip: Create Some Data
Key Concept: There is more than one procedure for solving problems that involve dividing with fractions.

Lesson Sequences

F.9-3-1 Rename to Divide Across Through Sharing  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Rename by multiplying the dividend by a one fraction and solve equal shares problems using the divide across procedure with the help of models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.9-3-2 Rename to Divide Across Through Measurement  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Rename by multiplying the dividend by a one fraction and solve measurement problems using the divide across procedure with the help of models. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.9-3-3 Rename to Divide Across: Models to Numbers  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Complete the equation by renaming the dividend and dividing across to find the quotient with and without models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
F.9-3-4 Rename to Invert & Multiply: Models to Numbers  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Rename by dividing the divisor by a one fraction and solve using the invert and multiply procedure with and without models. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.9-3-5 Rename to Divide Fractions: Numbers Only  |
Lesson Plan
View Lesson Opener Walk-About (8-10 min)
View Guided Lesson Use the procedures to solve division problems without models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 3    
View Your Road Trip: Your Data
Key Concept: The procedures for dividing fractions can be used to solve a variety of problems.

Lesson Sequences

F.9-4-1 Divide Fractions: Mixed Procedures  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Complete the equation and use either the divide across or invert and multiply procedure to find the quotient without models. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.9-4-2 Divide Fractions: Choose the Procedure  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Select either the divide across or invert and multiply procedure, complete the equation and find the quotient without models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.9-4-3 Multiply and Divide Fractions: Numbers Only  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Write the equation and solve for the quotient or product. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)