Learning Goal: Develop understanding and fluency with triangle congruence proofs.

Classwork

• Estimation – Bar Graph
• Warm Up
• Is there enough information?
• Proof Blocks
  • Instructions video (taken from here)
  • Handout
  • Blocks
• Construction Challenge / Spiraling Practice
  • Image Credit: Estefania Quintero

Answers

• Link to Answers

 Standards

• Common Core
  • HSG.SRT.B.5 – Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.
• TEKS
  • G.6(B) – prove two triangles are congruent by applying the Side-Angle-Side, Angle-Side-Angle, Side-Side-Side, Angle-Angle-Side, and Hypotenuse-Leg congruence conditions