When can we draw congruent triangles?
lesson
5.0 (3 Reviews)

# When can we draw congruent triangles?

Share

Subject
Resource Type Activity
Standards Alignment
Common Core State Standards

These cards encourage students to explore which triangles they can copy to produce congruent triangles. If they cannot they are then asked what information they require. 8.G.A.5 , 7.G.A.1

## Resources

Files

Which_of_these_triangles_can_you_copy_to_produce_a_congruent_drawing_cards.pdf

Activity
February 11, 2020
70.13 KB

### Standards

Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.
Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.

## Reviews

5.0
3 Reviews
SML Member
July 04, 2016
SML Member
January 30, 2016
Nice hands-on intro activity!
mhs_geometry
November 30, 2015
Exactly what I needed. Students investigated and came up with congruence rules on their own :)
SML Member
March 18, 2012
Thanks, really great for getting kids to work out the rules for themselves.
SML Member
January 17, 2012