Thinkabara

🧮 8th Grade · Math8.EE.A.2Unit 7: Roots & the Pythagorean theorem

Square and cube roots

Google Classroom

🎯 Objective: Students evaluate square and cube roots and solve x² = p.

Lesson outline

  1. Area and volume models.
  2. Practice.
  3. Estimate.
  4. Exit: √81 and ∛27.

Lesson 1 of 5 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

8.EE.A.2

Common Core State Standards for Mathematics, Grade 8 — typical US scope & sequence

🏁 Unit goals

  • Use square and cube roots
  • Know irrational numbers
  • Apply the Pythagorean theorem

✅ 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

🎯 Practice: Linear equations🎯 Practice: Scientific notation📚 All 8th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 8th Grade Math to your free Lesson Planner: enter your timetable once and every period shows the next lesson, skipping weekends and school breaks.

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More lessons in “Roots & the Pythagorean theorem”

  1. Square and cube roots
  2. Irrational numbers
  3. The Pythagorean theorem
  4. Using the theorem
  5. Distance on the plane

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