Triangle Congruence Proofs Cut and Paste Activity
In this activity students will cut strips of paper and assemble them into two-column proofs. There are three proofs that use triangle congruence postulates, but do not include CPCTC (congruent parts of congruent triangles are congruent). A "Hints Sheet" is given for use with struggling students.
This activity could be used as an alternative assessment, a partner activity, or as a review before a test. I copy the student's sheet on colored paper and let them hang their finished product in the classroom.
Some of the proofs reasons used are listed below:
SAS (Side-Angle-Side) Congruence Postulate
ASA (Angle-Side-Angle) Congruence Postulate
AAS (Angle-Side-Angle) Congruence Postulate
Alternate Interior Angles Congruence Postulate
This is part of my Geometry Proofs Cut-Out Bundle
. Check it out!
A digital, interactive version of this activity can be found here
. It is perfect for 1:1 classrooms!
You may also be interested in:
Triangle Congruence Proofs Task Cards
Triangle Congruence Foldable
Angles in Triangles Stations Maze Activity
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