Contents

1. Section A: Concepts of Area Measurement
2. Lesson 1: What is Area?
   1. Warm-up: How Many Do You See: Arrays
   2. 1.1: Compare Shapes
3. Lesson 2: How Do We Measure Area?
   1. Warm-up: Which One Doesn’t Belong: Compare Size
   2. 2.1: Create and Compare
4. Lesson 3: Count the Squares
   1. Warm-up: Which One Doesn’t Belong: Tiling
   2. 3.1: Time to Tile
   3. 3.2: Card Sort: Rectangles
5. Lesson 4: Area of Rectangles
   1. Warm-up: Which One Doesn’t Belong: Area and Arrays
   2. 4.1: What Did I Create?
   3. 4.2: Find the Area
   4. Lesson 4 Summary
   5. Section A Practice Problems
6. Section B: Relate Area to Multiplication
7. Lesson 5: Represent Products as Areas
   1. Warm-up: How Many Do You See: One More
   2. 5.1: Match Expressions and Areas
   3. 5.2: Create Areas from Expressions
8. Lesson 6: Different Square Units (Part 1)
   1. Warm-up: Notice and Wonder: Squares, Squares
   2. 6.1: Same Rectangle, Different Units
   3. 6.2: What’s the Area?
9. Lesson 7: Different Square Units (Part 2)
   1. Warm-up: Notice and Wonder: A Bigger Square
   2. 7.1: Square Feet and Square Meters
   3. 7.2: Which Unit Square?
   4. 7.3: Area Scavenger Hunt
10. Lesson 8: Disappearing Squares
    1. Warm-up: How Many Do You See: One More, One Less
    2. 8.1: Partially Tiled
    3. 8.2: No More Squares
11. Lesson 9: Measure to Find the Area
    1. Warm-up: Notice and Wonder: Groups and Arrays
    2. 9.1: Measure to Find Area
    3. 9.2: Create a Rectangle
12. Lesson 10: Solve Area Problems
    1. Warm-up: Number Talk: One More Group
    2. 10.1: Paint a Wall
    3. 10.2: Create a Garden
    4. Lesson 10 Summary
13. Lesson 11: Area and the Multiplication Table (optional)
    1. Warm-up: How Many Do You See: Growing Rectangles
    2. 11.1: Area and the Multiplication Table
    3. 11.2: Products in the Multiplication Table
    4. Section B Practice Problems
14. Section C: Find Area of Figures Composed of Rectangles
15. Lesson 12: Area and Addition
    1. Warm-up: Number Talk: So Close
    2. 12.1: Rectangles in Rectangles
    3. 12.2: Find the Rectangles
16. Lesson 13: Find the Area of Figures
    1. Warm-up: Number Talk: Extend Make a Ten
    2. 13.1: Bye-Bye Squares
    3. 13.2: How Many Tiles Do We Need?
17. Lesson 14: Find the Area of Figures with Missing Sides
    1. Warm-up: Notice and Wonder: What’s Missing?
    2. 14.1: The Missing Side
    3. 14.2: Practice with Missing Sides
    4. Lesson 14 Summary
    5. Section C Practice Problems
    6. Section C Glossary Entries
18. Glossary
19. Attributions
20. Notes
21. Notes
22. Blank Page