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🧮 4th Grade · Math4.OA.A.3Unit 2: Adding & subtracting multi-digit numbers

Multi-step word problems

Google Classroom

🎯 Objective: Students solve multi-step addition and subtraction problems using bar models.

Lesson outline

  1. Read: a school collected 2,350 cans in fall and 1,875 in spring; the goal is 5,000. How many more?
  2. Draw a bar model and write an equation with a letter.
  3. Solve two more multi-step problems.
  4. Exit: one problem with a bar model.

Lesson 4 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

4.OA.A.3

Common Core State Standards for Mathematics, Grade 4 — typical US scope & sequence

🏁 Unit goals

  • Fluently add and subtract with the standard algorithm
  • Estimate to check reasonableness

✅ 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 4th Grade skills🎮 Learning games⚡ Capy Live class quiz

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More lessons in “Adding & subtracting multi-digit numbers”

  1. Standard algorithm: addition
  2. Standard algorithm: subtraction
  3. Estimate and check
  4. Multi-step word problems

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