Curriculum Library

Grade 4 Unit 4: Adding/Subtracting Fractions Across 1 Whole

Key Concept: Fractions can be combined to make more than a whole, and an amount larger than 1 whole can be separated into two fractions.

Unit Launcher    
View Shawn's Swing Set: Discussion Guide and KWL Chart

Lesson Sequences

4.4-1-1 Add Proper Fractions Across 1 Whole  |
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Add two like fractions that result in sums greater than 1 whole, first with models, then without. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-1-2 Estimate Fraction Sums Across 1 Whole  |
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Estimate the location of addition expressions with like fractions on a number line. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
4.4-1-3 Subtract Fractions with Minuends >1  |
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Subtract like fractions with minuends greater than 1, first with models, then without. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-1-4 Compare Fraction Sums/Differences >1  |
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Use 3 strategies to compare fractions and fraction expressions with like fractions. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
Real World Investigation Part 1    
View Shawn's Swing Set: Shawn's Data
Key Concept: Since addition and subtraction are inverse operations, fractions can be used to show the difference between two quantities of the whole.

Lesson Sequences

4.4-2-1 Add/Subtract Improper Fractions  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Add and subtract like improper fractions with and without models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-2-2 Estimate Fraction Sums and Differences >1  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Estimate the location of addition expressions with like improper fractions on a number line. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-2-3 Complete Equations with Improper Fractions  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Use strategies and models and solve for the unknown in an addition or subtraction equation with two like improper fractions. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-2-4 Compare Fraction Sums and Differences >1  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Use strategies and benchmark numbers to compare expressions with improper fractions. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 2    
View Shawn's Swing Set: Create Some Data
Key Concept: Whole numbers and proper fractions can be added to mixed numbers or subtracted from mixed numbers.

Lesson Sequences

4.4-3-1 Add/Subtract Mixed Numbers  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Add and subtract mixed numbers with common denominators with and without models. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-3-2 Convert to Mixed Numbers  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Learn how to convert improper fractions to mixed numbers using models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
4.4-3-3 Add and Convert to Mixed Numbers  |
Lesson Plan
View Lesson Opener Hands-On (8-10 min)
View Guided Lesson Model addition problems with like improper fractions and convert the sums to mixed numbers. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
4.4-3-4 Convert to Improper Fractions  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Learn how to convert mixed numbers to improper fractions using models. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
4.4-3-5 Convert and Subtract Fractions  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Convert mixed number minuends to improper fractions to solve subtraction equations. (8-15 min)
View Lesson Closer Apply Your Knowledge (5 min)
Real World Investigation Part 3    
View Your Swing Set: Your Data
Key Concept: Addition and subtraction of fractions can be used to solve a variety of problems.

Lesson Sequences

4.4-4-1 Create Improper Fractions with Pattern Blocks  |
Lesson Plan
View Lesson Opener Talk-About (8-10 min)
View Guided Lesson Color pattern block shapes and/or write the improper fraction represented by each color. (8-15 min)
View Lesson Closer Explain & Solve (5 min)
4.4-4-2 Create Mixed Numbers with Pattern Blocks  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Color pattern block shapes and/or write the mixed number represented by each color. (8-15 min)
View Lesson Closer Agree/Disagree (5 min)
4.4-4-3 Complete Equations with Unknowns  |
Lesson Plan
View Lesson Opener Think-Pair-Share (8-10 min)
View Guided Lesson Use strategies and models and solve for the unknown in an addition or subtraction equation with like improper fractions and mixed numbers. (8-15 min)
View Lesson Closer Explain & Solve (5 min)