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This Triangle Congruency Proofs (part 2) lesson plan also includes:
- Congruence, Proof, and Constructions - Module Overview (PDF)
- Congruence, Proof, and Constructions - Module Overview (Doc)
- Triangle Congruency Proofs (part 2) (Doc)
- Triangle Congruency Proofs (part 2) (PDF)
- Triangle Congruency Proofs (part 2) (Doc)
- Assessment
- Answer Key
- Join to access all included materials
Looking to challenge your young scholars that have mastered basic triangle congruence proofs? A collection of proofs employ previously learned definitions, theorems, and properties. Pupils draw on their past experiences with proofs to accomplish the task.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Create collaborative groups to complete the set of six proofs, with one proof for each group to put on the board for analysis
Classroom Considerations
- Provide guidance through the completion of the proofs to improve confidence
- Create fill-in-the blank proofs or envelop proofs to build confidence before attempting the proofs individually
- Previous experience with basic triangle congruence proofs is required
Pros
- The proofs provided have a progressive level of difficulty
Cons
- Guidance for instruction is not provided; the content of the lesson is six proofs to be completed individually