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🧮 5th Grade · Math5.NBT.B.6Unit 3: Dividing whole numbers

Estimating quotients

Google Classroom

🎯 Objective: Students estimate quotients using compatible numbers.

Lesson outline

  1. Use compatible numbers: 412 ÷ 18 ≈ 400 ÷ 20 = 20.
  2. Practice choosing compatible numbers.
  3. Discuss.
  4. Exit: estimate 735 ÷ 24.

Lesson 1 of 4 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

5.NBT.B.6

Common Core State Standards for Mathematics, Grade 5 — typical US scope & sequence

🏁 Unit goals

  • Divide up to four-digit dividends by two-digit divisors
  • Explain with area models, partial quotients and equations

✅ 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: Decimals: all four operations📚 All 5th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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More lessons in “Dividing whole numbers”

  1. Estimating quotients
  2. Partial quotients with two-digit divisors
  3. Area model for division
  4. Division word problems

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