Reflection: Developing a Conceptual Understanding Fat or Flat? - Section 4: Exit Ticket


I only had two students who still struggled with the concept of 2d and 3d and met with them on the floor while the rest did the extension activity. The confusion was quickly cleared up because I used the geo blocks to demonstrate the difference. I made a flat flower picture on the floor and then I built a tower out of the geo blocks. We used the appropriate vocabulary to point out the differences between the two. They both immediately understood and were then able to redo the exit ticket correctly.

This activity was a blast! The kids enjoyed it and it was fun to watch them get excited about it. They worked well together to find the 3D shape examples around the room. What a great way to get students working together. With objects to focus on, students learn to work together.

  Developing a Conceptual Understanding: Fun, fun, fun!
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Fat or Flat?

Unit 8: Know Those Shapes!
Lesson 2 of 15

Objective: SWBAT tell if a shape is 2-dimensional or 3-dimensional.

Big Idea: The physical world is an exciting place for kindergarteners! They describe their physical world using geometric ideas, so learning about 2- and 3- dimensional shapes develops essential understandings and vocabulary.

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Math, Geometry, Critical Area, shapes
  70 minutes
2d 3d
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