Thinkabara

🧮 5th Grade · Math5.NBT.B.5Unit 2: Multiplying whole numbers

From area model to algorithm

Google Classroom

🎯 Objective: Students connect partial products to the standard algorithm.

Lesson outline

  1. Solve 34 × 26 with an area model and with the standard algorithm side by side.
  2. Match each partial product to a line of the algorithm.
  3. Practice.
  4. Exit: 57 × 43.

Lesson 2 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.5

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

🏁 Unit goals

  • Fluently multiply multi-digit whole numbers with the standard algorithm

✅ 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

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More lessons in “Multiplying whole numbers”

  1. Estimating products
  2. From area model to algorithm
  3. Standard algorithm: 3-digit × 2-digit
  4. Multiplication word problems

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