SSS for Real
Objective: SWBAT identify when to use SSS to prove that triangles are congruent and will also prove that triangles are congruent using SSS.
Big Idea: Student use their own decorative congruent triangles to learn why SSS congruence works.
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Do Now
10 min
Students will solve a review question using exterior angle theorem learned from a previous lesson to start class.
Activity/Homework
10 min
Students can work on the two proofs as an in-class assignment or for homework.
Student Notes - SSS for Real
Exit Ticket
10 min
Students will complete a writing assignment for the exit ticket - asking them to explain two key ideas relating to congruence, SSS and rigid motion. You can leave extra time to review this assignment in class or collect this assignment and give feedback for students.
