Lesson 11-3: Identify and Classify 3-D Figures

Is he right?

Sam says it's a rectangle

Is he right?

Kev says this shape is a Cube

A cube is like a die (all sides must be squares).

A rectangle is 2-D (flat).

What are some attributes Kev and Sam should consider about this shape?

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Neither Are Correct!

An outside surface of a 3-D figure. Some faces are flat, some are curved.

Face

​FACE

A line segment formed when two faces meet. Some edges are straight, some are curved.

Edge

​Edge

The point farthest from the base of a figure. Not all figures have an apex.

Apex

​Apex

​Base

points where edges meet

Vertices:

Special face

Base:

​ https://docs.google.com/presentation/d/1b2WRsF2ZaTmlcp_dA8KhLSfJqD7cSGFv5nab48LQHkw/edit#slide=id.g12a8adb1b0d_0_562

Discuss with your team the different figures at your table

What is the difference between Prisms and Pyramids?

Think- Faces, Edges, Bases, Apex?

Table 1: 3-D Scavenger Hunt
Table 2: Geometry Notes
Table 3: Independent Practice (P517-518)
Table 4: iReady- Standards Mastery