Thinkabara

🧮 5th Grade · Math5.OA.A.1Unit 10: Numerical expressions & patterns

Order of operations

Google Classroom

🎯 Objective: Students evaluate expressions with parentheses, brackets and braces.

Lesson outline

  1. Two answers to 2 × (5 + 3) − 4: why order matters.
  2. Model with parentheses, brackets and braces.
  3. Practice.
  4. Exit: 2 × [5 + (3 × 4)] − 6.

Lesson 1 of 3 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.OA.A.1

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

🏁 Unit goals

  • Write and evaluate expressions with parentheses
  • Generate two patterns and compare them

✅ 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 5th Grade skills🎮 Learning games⚡ Capy Live class quiz

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More lessons in “Numerical expressions & patterns”

  1. Order of operations
  2. Writing expressions
  3. Two patterns

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