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- Look at the triangular prism you made with full-length straws. Change the length of 3 straws to half-length straws to make a different prism.
- Draw a picture to show which three straws you changed.
- What did not change?
- Nisha and Tara explained how they counted the edges on a cube.
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- Whose method is more efficient?
- How can Tara's method be used to count the vertices?
- How do you think Tara would count the faces?
- Talk with a partner to describe the cylinder, cone, hexagonal prism, and hexagonal pyramid. Complete the table for these shapes on the Edges, Vertices, and Faces Table page in the Student Activity Book.
