Thinkabara

🧮 4th Grade · Math4.MD.C.5Unit 11: Angles, lines & shapes

Angles as turns

Google Classroom

🎯 Objective: Students understand angles as fractions of a circle measured in degrees.

Lesson outline

  1. Turn your body 90°, 180°, 270°, 360°.
  2. Connect to clock hands and fractions of a circle.
  3. Practice.
  4. Exit: a quarter turn is how many degrees?

Lesson 2 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

4.MD.C.5

Common Core State Standards for Mathematics, Grade 4 — typical US scope & sequence

🏁 Unit goals

  • Measure and draw angles with a protractor
  • Classify shapes by lines and angles
  • Identify lines of symmetry

✅ 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 4th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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More lessons in “Angles, lines & shapes”

  1. Points, lines, rays and angles
  2. Angles as turns
  3. Measure and draw angles
  4. Adding angles
  5. Parallel and perpendicular lines
  6. Lines of symmetry

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