Curriculum Library

Fractions Big Idea 8: Multiplying with Fractions

Key Concept: Multiplication is used to find the product of groups of items and is the same as repeated addition. The groups of items are parts of a whole.

Unit Launcher    
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Lesson Sequences

F.8-1-1 Multiply Whole Number by Whole Number: Models  |
View Lesson Opener Talk-About (10 min)
View Guided Lesson Write a “groups of” paraphrase and use a number line model to find the product of a word problem involving whole numbers. (12-18 min)
View Lesson Closer Explain & Solve (5 min)
F.8-1-2 Multiply Unit Fraction by Whole Number  |
View Lesson Opener Think-Pair-Share (10 min)
View Guided Lesson Write a “groups of” paraphrase and use a number line model to find the product of a word problem involving a fraction and a whole number. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
F.8-1-3 Multiply Unit Fraction by Whole Number: Simplify  |
View Lesson Opener Talk-About (10 min)
View Guided Lesson Write a “groups of” paraphrase and use either a number line or area model to find the product and simplify the answer. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
F.8-1-4 Multiply Proper Fraction by Whole Number  |
View Lesson Opener Think-Pair-Share (10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve “groups of” word problems. (12-18 min)
View Lesson Closer Apply Your Knowledge (5 min)
F.8-1-5 Multiply Mixed Number by Whole Number  |
View Lesson Opener Think-Pair-Share (10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve “groups of” word problems containing whole numbers and mixed numbers. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 1    
View Springville's Sports Complex: Springville's Data
Key Concept: Multiplication with a fraction is a way to find the value of a part of a starting amount.

Lesson Sequences

F.8-2-1 Multiply Whole Number by Unit Fraction: Models  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Write a “parts of” paraphrase and use a number line model to find the product of a word problem. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-2-2 Multiply Whole Number by Unit Fraction: Simplify  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Write a “parts of” paraphrase and use a number line or area model to find the product and simplify the answer. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-2-3 Multiply Whole Number by Proper Fraction  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve “parts of” word problems. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-2-4 Multiply Mixed Number Types with Common Factors  |
Lesson Plan
View Lesson Opener Walk-About (8-10 min)
View Guided Lesson Select and complete the correct paraphrase. Use models and complete multiplication word problems. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 2    
View Springville's Sports Complex: Create Some Data
Key Concept: Multiplication with fractions can result in a product that is less than or greater than the two factors.

Lesson Sequences

F.8-3-1 Multiply Mixed Number Types with Uncommon Factors  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Select and complete the paraphrase, work with models and complete equations to solve word problems with uncommon factors. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-3-2 Multiply Proper Fraction by Proper Fraction  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve word problems with two fractions. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-3-3 Multiply Mixed Numbers and Whole Numbers  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve word problems with whole numbers and mixed numbers. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
F.8-3-4 Multiply Mixed Number by Mixed Number  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Paraphrase, work with models and complete equations to solve word problems with two mixed numbers (8-15 min)
View Lesson Closer Explain & Solve (5 min)
Real World Investigation Part 3    
View Your Sports Complex: Your Data
Key Concept: The procedure for multiplying fractions can be used to solve a variety of problems.

Lesson Sequences

F.8-4-1 Complete Equations with Proper Fractions  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Complete equations and solve for the product of two proper fractions and simplify the product without the use of models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-4-2 Paraphrase/Multiply Equations: Proper Fractions  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Paraphrase, write equations and solve word problems for the product of two proper fractions without models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
F.8-4-3 Complete Equations with Mixed Numbers  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Complete and solve multiplication equations without models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
F.8-4-4 Paraphrase/Multiply Equations: Mixed Numbers  |
Lesson Plan
View Lesson Opener Walk-About (8-10 min)
View Guided Lesson Paraphrase, write equations and solve word problems for the product of mixed numbers and whole numbers without models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
F.8-4-5 Multiply Fractions with Unknowns  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Solve for the unknown in a multiplication equation with fractions without the use of models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)