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🧮 7th Grade · Math7.G.B.4Unit 6: Angles, circles, area & volume

Circumference

Google Classroom

🎯 Objective: Students discover π and use C = πd.

Lesson outline

  1. Measure round objects.
  2. Compute C/d.
  3. Practice.
  4. Exit: circumference with d = 10.

Lesson 3 of 6 in this unit. In the Lesson Planner this lesson takes 1–3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

📐 Standard

7.G.B.4

Common Core State Standards for Mathematics, Grade 7 — typical US scope & sequence

🏁 Unit goals

  • Use angle relationships to find unknowns
  • Find circumference and area of circles
  • Solve surface area and volume problems

✅ Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the “not yets”.

Practice & resources on Thinkabara

📚 All 7th Grade skills🎮 Learning games⚡ Capy Live class quiz

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More lessons in “Angles, circles, area & volume”

  1. Angle relationships
  2. Drawing triangles
  3. Circumference
  4. Area of circles
  5. Cross sections
  6. Surface area and volume

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