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This How Do Dilations Map Angles? lesson plan also includes:
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure.
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Instructional Ideas
- As a time saver, divide the class into groups for the exploration and assign a problem to each group; have groups share their conclusions on the board
- Ask pupils to write proportionality statements to verify scale factors
Classroom Considerations
- Review properties of parallel lines cut by a transversal to aid in the understanding of dilated angles
- A continuation of a 36-part series
Pros
- Emphasizes unit vocabulary
- Provides ideas to help struggling learners
Cons
- None