Writing Two Column Proofs

Writing Two Column Proofs

Grade 11 · Math · 45 min

What's Included

Learning Objective

I can construct a two-column proof to demonstrate the validity of geometric theorems.

Warm-Up Video

Mashup Math · 9:43

Geometry Proofs Explained! Triangle Congruence

Practice Questions

12 questions · Short answer

Exit Ticket

Quick comprehension check

Given that angle A is congruent to angle D and segment AB is congruent to segment DE, construct a two-column proof to show that triangle ABC is congruent to triangle DEF. Include all statements and reasons. Given that segment PQ is congruent to segment RS and angle PQR is congruent to angle SRT, construct a two-column proof to demonstrate that triangle PQR is congruent to triangle SRT. Include all statements and reasons.

Complete Lesson Package

Get all 3 ready-to-use resources:

Teacher Guide
Student Doc
Slides