Thinkabara

🧮 6th Grade · Math6.NS.B.4Unit 5: Decimals, factors & multiples

Greatest common factor

Google Classroom

🎯 Objective: Students find the GCF and use it to factor sums (36 + 8 = 4(9 + 2)).

Lesson outline

  1. Party bags problem.
  2. List factors.
  3. Practice.
  4. Exit: GCF of 18 and 30.

Lesson 3 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

6.NS.B.4

Common Core State Standards for Mathematics, Grade 6 — typical US scope & sequence

🏁 Unit goals

  • Fluently compute with multi-digit decimals and whole numbers
  • Find GCF and LCM

✅ 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: Dividing fractions📚 All 6th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 6th 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 “Decimals, factors & multiples”

  1. Long division
  2. Decimal operations
  3. Greatest common factor
  4. Least common multiple

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