Thinkabara

🧮 Kindergarten · MathK.G.A.3Unit 4: Shapes: 2D and 3D

Flat or solid?

Google Classroom

🎯 Objective: Students tell 2D (flat) shapes from 3D (solid) shapes.

Lesson outline

  1. Feel a paper square and a cube; describe the difference.
  2. Sort objects into flat and solid.
  3. Shape walk with a clipboard: find solids in the classroom.
  4. Exit: name one flat and one solid thing.

Lesson 4 of 6 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

K.G.A.3

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

🏁 Unit goals

  • Name squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders and spheres
  • Describe shapes and their positions using words like above, below, beside

✅ 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: Geometry📚 All Kindergarten skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add Kindergarten Math to your free Lesson Planner: enter your timetable once and every period shows the next lesson, skipping weekends and school breaks.

Add to my planner See the year’s sequence

More lessons in “Shapes: 2D and 3D”

  1. Position words
  2. Circles, triangles and squares
  3. Rectangles and hexagons
  4. Flat or solid?
  5. Cubes, cones, cylinders and spheres
  6. Build and compose shapes

Something to improve in this lesson? Tell us.