Reflection: Developing a Conceptual Understanding 3D Figures and Nets - Section 5: Revisiting Cube Nets

 

After talking about the additional cube designs, I brought out my set of Folding Geometric Shapes.  I showed students each figure and set them out on various student desks.  I asked students to predict what each figure’s net would look like when we took it out.  I wanted to know how many shapes would make up the net and the specific names of these shapes.  For example, I wanted to know that the triangular prism would have 2 triangle faces and 3 square faces.  Students participated in a Think Pair Share.  I asked for students to share out their predictions, and then the student who had the 3D figure would pull out the net and unfold it for the class to see.  The students got really excited to see if they were correct.  The design of the cone’s net was the biggest surprise for the students.

  Making Predictions about Nets
  Developing a Conceptual Understanding: Making Predictions about Nets
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3D Figures and Nets

Unit 8: Geometry
Lesson 9 of 19

Objective: SWBAT: • Define net. • Identify and create nets that will build a particular 3D figure.

Big Idea: Students explore cube nets in an effort to understand what properties are common to all nets that form a cube. Students work hands-on with nets and are then pushed to use their experience to visually determine whether other nets will form a given figures.

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Subject(s):
Math, Geometry, 6th grade, master teacher project, nets, 3D figures, learn zillion
  60 minutes
unit 6 6 image
 
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