Thinkabara

🧮 2nd Grade · Math2.G.A.1Unit 12: Shapes & equal shares

Polygons

Google Classroom

🎯 Objective: Students identify triangles, quadrilaterals, pentagons, hexagons and cubes by sides and angles.

Lesson outline

  1. Count sides and angles.
  2. Sort shapes by attributes.
  3. Draw shapes from clues.
  4. Exit: draw a pentagon.

Lesson 1 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.1

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

🗓️ Plan the whole year like this

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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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