Contents

1. Unit 1
   1. Required Materials
2. Unit 1 Assessments
   1. Assessment : Check Your Readiness (A)
      1. Problem 1
      3. Statement
      4. Solution
      5. Aligned Standards
      6. Problem 2
      8. Statement
      9. Solution
      10. Aligned Standards
      11. Problem 3
      13. Statement
      14. Solution
      15. Aligned Standards
      16. Problem 4
      18. Statement
      19. Solution
      20. Aligned Standards
      21. Problem 5
      23. Statement
      24. Solution
      25. Aligned Standards
      26. Problem 6
      28. Statement
      29. Solution
      30. Aligned Standards
   2. Assessment : Check Your Readiness (B)
      1. Problem 1
      3. Statement
      4. Solution
      5. Aligned Standards
      6. Problem 2
      8. Statement
      9. Solution
      10. Aligned Standards
      11. Problem 3
      13. Statement
      14. Solution
      15. Aligned Standards
      16. Problem 4
      18. Statement
      19. Solution
      20. Aligned Standards
      21. Problem 5
      23. Statement
      24. Solution
      25. Aligned Standards
      26. Problem 6
      28. Statement
      29. Solution
      30. Aligned Standards
   3. Assessment : End-of-Unit Assessment (A)
      1. Problem 1
      2. Statement
      3. Solution
      4. Aligned Standards
      5. Problem 2
      6. Statement
      7. Solution
      8. Aligned Standards
      9. Problem 3
      10. Statement
      11. Solution
      12. Aligned Standards
      13. Problem 4
      14. Statement
      15. Solution
      16. Aligned Standards
      17. Problem 5
      18. Statement
      19. Solution
      20. Aligned Standards
      21. Problem 6
      22. Statement
      23. Solution
      24. Aligned Standards
      25. Problem 7
      26. Statement
      27. Solution
      28. Aligned Standards
   4. Assessment : End-of-Unit Assessment (B)
      1. Problem 1
      2. Statement
      3. Solution
      4. Aligned Standards
      5. Problem 2
      6. Statement
      7. Solution
      8. Aligned Standards
      9. Problem 3
      10. Statement
      11. Solution
      12. Aligned Standards
      13. Problem 4
      14. Statement
      15. Solution
      16. Aligned Standards
      17. Problem 5
      18. Statement
      19. Solution
      20. Aligned Standards
      21. Problem 6
      22. Statement
      23. Solution
      24. Aligned Standards
      25. Problem 7
      26. Statement
      27. Solution
      28. Aligned Standards
   5. Section: Reasoning to Find Area
   6. Lesson 1: Tiling the Plane
      1. Goals
      2. Learning Targets
      3. Lesson Narrative
         1. Alignments
         2. Building On
         3. Building Towards
         4. Instructional Routines
         5. Required Materials
         6. Required Preparation
         7. Student Learning Goals
   7. 1.1 Which One Doesn’t Belong: Tilings
      1. Building On
      2. Instructional Routines
      3. Launch
      4. Student Task Statement
      5. Student Response
      6. Activity Synthesis
   8. 1.2 More Red, Green, or Blue?
      1. Building Towards
      2. Instructional Routines
      3. Launch
      4. Anticipated Misconceptions
      5. Student Task Statement
      6. Student Response
      7. Are You Ready for More?
      8. Student Response
      9. Activity Synthesis
      10. Lesson Synthesis
   9. 1.3 What is Area?
      1. Student Task Statement
      2. Student Response
      3. Student Lesson Summary
      4. Glossary
   10. Lesson 1 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
   11. Lesson 2: Finding Area by Decomposing and Rearranging
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Building On
          3. Addressing
          4. Building Towards
          5. Instructional Routines
          6. Required Materials
          7. Required Preparation
          8. Student Learning Goals
   12. 2.1 What is Area?
       1. Building On
       2. Building Towards
       3. Instructional Routines
       4. Launch
       5. Anticipated Misconceptions
       6. Student Task Statement
       7. Student Response
       8. Activity Synthesis
   13. 2.2 Composing Shapes
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
   14. 2.3 Tangram Triangles
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   15. 2.4 Tangram Rectangle
       1. Addressing
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Student Lesson Summary
       6. Glossary
   16. Lesson 2 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
   17. Lesson 3: Reasoning to Find Area
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Building On
          3. Addressing
          4. Instructional Routines
          5. Required Materials
          6. Required Preparation
          7. Student Learning Goals
   18. 3.1 Comparing Regions
       1. Building On
       2. Launch
       3. Anticipated Misconceptions
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   19. 3.2 On the Grid
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
   20. 3.3 Off the Grid
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   21. 3.4 Maritime Flag
       1. Addressing
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Student Lesson Summary
   22. Lesson 3 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
   23. Section: Parallelograms
   24. Lesson 4: Parallelograms
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Building On
          3. Addressing
          4. Instructional Routines
          5. Required Materials
          6. Student Learning Goals
   25. 4.1 Features of a Parallelogram
       1. Building On
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   26. 4.2 Area of a Parallelogram
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   27. 4.3 Lots of Parallelograms
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   28. 4.4 How Would You Find the Area?
       1. Addressing
       2. Student Task Statement
       3. Student Response
       4. Student Lesson Summary
       5. Glossary
   29. Lesson 4 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
   30. Lesson 5: Areas of Parallelograms
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Instructional Routines
          4. Required Materials
          5. Student Learning Goals
   31. 5.1 A Parallelogram and Its Rectangles
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   32. 5.2 Finding the Formula for Area of Parallelograms
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
   33. 5.3 More Areas of Parallelograms
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
       10. Lesson Synthesis
   34. 5.4 One More Parallelogram
       1. Addressing
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Student Lesson Summary
       6. Glossary
   35. Lesson 5 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
       19. Problem 7
       20. Statement
       21. Solution
   36. Lesson 6: From Parallelograms to Triangles
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Building Towards
          4. Instructional Routines
          5. Required Materials
          6. Required Preparation
          7. Student Learning Goals
   37. 6.1 Same Parallelograms, Different Bases
       1. Addressing
       2. Launch
       3. Anticipated Misconceptions
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   38. 6.2 A Tale of Two Triangles (Part 1)
       1. Building Towards
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
   39. 6.3 A Tale of Two Triangles (Part 2)
       1. Building Towards
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   40. 6.4 A Tale of Two Triangles (Part 3)
       1. Building Towards
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Student Lesson Summary
   41. Lesson 6 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
   42. Section: Triangles
   43. Lesson 7: Area of Triangles
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Instructional Routines
          4. Required Materials
          5. Required Preparation
          6. Student Learning Goals
   44. 7.1 Composing Parallelograms
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   45. 7.2 More Triangles
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   46. 7.3 Decomposing a Parallelogram
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
       10. Lesson Synthesis
   47. 7.4 An Area of 14
       1. Addressing
       2. Student Task Statement
       3. Student Response
       4. Student Lesson Summary
   48. Lesson 7 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
   49. Lesson 8: Formula for the Area of a Triangle
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Building Towards
          4. Instructional Routines
          5. Required Materials
          6. Student Learning Goals
   50. 8.1 Bases and Heights of a Triangle
       1. Building Towards
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   51. 8.2 Finding a Formula for Area of a Triangle
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   52. 8.3 Applying the Formula for Area of Triangles
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   53. 8.4 Two More Triangles
       1. Addressing
       2. Student Task Statement
       3. Student Response
       4. Student Lesson Summary
       5. Glossary
   54. Lesson 8 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
   55. Lesson 9: Polygons
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Building On
          3. Addressing
          4. Building Towards
          5. Instructional Routines
          6. Required Materials
          7. Required Preparation
          8. Student Learning Goals
   56. 9.1 Which One Doesn’t Belong: Bases and Heights
       1. Building On
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   57. 9.2 What Are Polygons?
       1. Building On
       2. Building Towards
       3. Instructional Routines
       4. Launch
       5. Anticipated Misconceptions
       6. Student Task Statement
       7. Student Response
       8. Activity Synthesis
   58. 9.3 Quadrilateral Strategies
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Are You Ready for More?
       7. Student Response
       8. Activity Synthesis
   59. 9.4 Pinwheel
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   60. 9.5 Triangulation
       1. Addressing
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Student Lesson Summary
       6. Glossary
   61. Lesson 9 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
   62. Section: Surface Area
   63. Lesson 10: What is Surface Area?
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Building Towards
          4. Instructional Routines
          5. Required Materials
          6. Required Preparation
          7. Student Learning Goals
   64. 10.1 Covering the Cabinet (Part 1)
       1. Building Towards
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   65. 10.2 Covering the Cabinet (Part 2)
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
   66. 10.3 Building with Snap Cubes
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
       8. Lesson Synthesis
   67. 10.4 A Snap Cube Prism
       1. Addressing
       2. Launch
       3. Anticipated Misconceptions
       4. Student Task Statement
       5. Student Response
       6. Student Lesson Summary
       7. Glossary
   68. Lesson 10 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
       16. Problem 6
       17. Statement
       18. Solution
       19. Problem 7
       20. Statement
       21. Solution
   69. Lesson 11: Polyhedra and Nets
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Building Towards
          4. Instructional Routines
          5. Required Materials
          6. Required Preparation
          7. Student Learning Goals
   70. 11.1 What are Polyhedra?
       1. Building Towards
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   71. 11.2 Prisms and Pyramids
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Are You Ready for More?
       7. Student Response
       8. Activity Synthesis
   72. 11.3 Using Nets to Find Surface Area
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Are You Ready for More?
       8. Student Response
       9. Activity Synthesis
       10. Lesson Synthesis
   73. 11.4 Unfolded
       1. Addressing
       2. Student Task Statement
       3. Student Response
       4. Student Lesson Summary
       5. Glossary
   74. Lesson 11 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
   75. Lesson 12: More Nets, More Surface Area
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Building On
          3. Addressing
          4. Instructional Routines
          5. Required Materials
          6. Required Preparation
          7. Student Learning Goals
   76. 12.1 Notice and Wonder: Wrapping Paper
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Student Task Statement
       5. Student Response
       6. Activity Synthesis
   77. 12.2 Building Prisms and Pyramids
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   78. 12.3 Comparing Boxes
       1. Building On
       2. Addressing
       3. Instructional Routines
       4. Launch
       5. Anticipated Misconceptions
       6. Student Task Statement
       7. Student Response
       8. Are You Ready for More?
       9. Student Response
       10. Activity Synthesis
       11. Lesson Synthesis
   79. 12.4 Surface Area of a Triangular Prism
       1. Addressing
       2. Student Task Statement
       3. Student Response
       4. Student Lesson Summary
   80. Lesson 12 Practice Problems
       1. Problem 1
       2. Statement
       3. Solution
       4. Problem 2
       5. Statement
       6. Solution
       7. Problem 3
       8. Statement
       9. Solution
       10. Problem 4
       11. Statement
       12. Solution
       13. Problem 5
       14. Statement
       15. Solution
   81. Section: Let’s Put it to Work
   82. Lesson 13: Designing a Tent
       1. Goals
       2. Learning Targets
       3. Lesson Narrative
          1. Alignments
          2. Addressing
          3. Instructional Routines
          4. Required Materials
          5. Required Preparation
          6. Student Learning Goals
   83. 13.1 Tent Design - Part 1
       1. Addressing
       2. Instructional Routines
       3. Launch
       4. Anticipated Misconceptions
       5. Student Task Statement
       6. Student Response
       7. Activity Synthesis
   84. 13.2 Tent Design - Part 2
       1. Addressing
       2. Launch
       3. Student Task Statement
       4. Student Response
       5. Activity Synthesis
       6. Lesson Synthesis
3. Glossary
4. Attributions
   1. Image Attributions
5. Contributors
   1. Version Released 2017
   2. Writing Team
   3. Review Team
   4. Supports for Students with Disabilities
   5. Supports for English Language Learners
   6. Digital Activities Development
   7. Copy Editing
   8. Project Management
   9. Engineering
   10. Teacher Professional Learning
   11. Image Alt Text
   12. Image Development
   13. Support Team
   14. Additional Contributors, Version Released 2019
   15. Writing Team
   16. Translation Team
   17. Supports for Students with Disabilities and English Language Learners
   18. Copy Editing
   19. Project Management
   20. Engineering
   21. Image Alt Text
   22. Support Team
6. Notes
7. Notes