Thinkabara

🧮 2nd Grade · Math2.G.A.3Unit 12: Shapes & equal shares

Halves, thirds and fourths

Google Classroom

🎯 Objective: Students divide circles and rectangles into equal shares.

Lesson outline

  1. Fold paper strips.
  2. Name the shares.
  3. Compare the size of shares.
  4. Exit: shade a third.

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

2.G.A.3

Common Core State Standards for Mathematics, Grade 2 — typical US scope & sequence

🏁 Unit goals

  • Recognize and draw shapes with given attributes
  • Partition rectangles into rows and columns
  • Split shapes into halves, thirds and fourths

✅ 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 2nd Grade skills🎮 Learning games⚡ Capy Live class quiz

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More lessons in “Shapes & equal shares”

  1. Polygons
  2. Partition rectangles
  3. Halves, thirds and fourths
  4. Equal shares look different

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