Unit 5: Using Models to Add and Subtract Decimals and Fractions
Unit Overview Video
(Coming Soon)
Unit Extra Practice
(Coming Soon)
Lesson
Standards
Learning Targets
Additional Resources
Lesson 1: Add Decimals Using Base-Ten Models
I can use base-ten pieces and base-ten grids to solve addition word problems.
Video Links
Virtual Manipulatives
Lesson 2: Subtract Decimals Using Base-Ten Models
I can use base-ten pieces and base-ten grids to solve subtraction word problems.
Video Links
Virtual Manipulatives
Lesson 3: Using a Number Line to Add & Subtract Decimals (Day 1)
I can use open number lines to add and subtract decimals.
Virtual Manipulatives
Lesson 4: Using a Number Line to Add & Subtract Decimals (Day 2)
I can use open number lines to add and subtract decimals.
Virtual Manipulatives
Lesson 5: Combo Meals
I can use base-ten grids/pieces and open number lines to add and subtract decimals in a real-world context.
Technology Links
Virtual Manipulatives
Lesson 6: Ketchup 3-Act Task
I can add and subtract decimals to solve a given problem.
Technology Links
Lesson 7: Explore Strategies
I can use knowledge of decomposing numbers to add and subtract decimal numbers.
I can use knowledge of the associative property to solve.
Technology Links
Lesson 8: Batting Averages
I can determine whether to add or subtract based on the context of a word problem and use estimation to the reasonableness of solutions.
None
Lesson 9: Analyze This
I can apply understanding of adding and subtracting decimals using models, drawing, or strategies based on place value to error analysis tasks.
None
Lesson 10: Tokyo 2020-Be Fast or Be Last!
I can use knowledge of place value to add and subtract decimal numbers to solve real world problems & estimate the reasonableness of solutions.
Video Links
Lesson 11: Use Benchmarks to Estimate
I can use benchmark fractions to estimate sums and differences.
None
Lesson 12: Assess the Reasonableness
I can use benchmark fractions and number sense to estimate mentally and assess the reasonableness of solutions.
None
Lesson 13: Add & Subtract Fractions with Area Models
I can use area models to add and subtract fractions.
Lesson 14: Add & Subtract Fractions with Number Lines
I can use number lines to add and subtract fractions.
Lesson 15: Pass the Problem: Add & Subtract Fractions
I can use area models to add and subtract fractions.
Lesson 16: Add & Subtract Mixed Numbers with Models
I can use area models to add and subtract mixed numbers.
Lesson 17: Use Number Lines to Add & Subtract Mixed Numbers
I can use number lines to add and subtract mixed numbers.
Lesson 18: Apply Strategies for Adding & Subtracting Fractions
I can use a variety of strategies (area models & number lines) to add and subtract fractions to solve word problems.
Lesson 19: Connect Models to Algorithm
I can use models to make connections to the algorithm for adding and subtracting fractions.
Lesson 20: Add & Subtract Fractions Review
I can use models to make connections to the algorithm for adding and subtracting fractions.
None
Lesson 21: Grocery Excursion - Day 1 of 3
I can work with a partner (or small group) to apply knowledge of adding and subtracting fractions and decimals to a real-world scenario.
None
Lesson 22: Grocery Excursion - Day 2 of 3
I can work with a partner (or small group) to apply knowledge of adding and subtracting fractions and decimals to a real-world scenario.
None
Lesson 23: Grocery Excursion - Day 3 of 3
I can work with a partner (or small group) to apply knowledge of adding and subtracting fractions and decimals to a real-world scenario.
None
Lesson 24: Sum It Up!
I can work with a partner (or small group) to apply knowledge of adding and subtracting fractions and decimals to a real-world scenario.
Technology Links