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Geometry

(9 Units, 53 Lessons)

Unit 5 - Polygons and Congruent Triangle Proofs(6 Lessons)

Rigid Motion, Congruent Triangles, and Proof

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:Using the method of flow chart proofs, students begin to develop the skills necessary to understand and create congruent triangle proofs.

14 Resources

5 Favorites

14 Resources

5 Favorites

CPCTC and Isosceles Triangles

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:Students continue to explore congruent triangles, focusing on corresponding parts and angle and side relationships in isosceles triangles.

24 Resources

4 Favorites

24 Resources

4 Favorites

Puzzle Proofs

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:A hands-on approach to proofs helps students to build confidence and conceptual understanding!

21 Resources

4 Favorites

21 Resources

4 Favorites

Mystery Proofs

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:Student mix and match their own proofs. Sometimes congruence can be proven - and sometimes it can't!

19 Resources

0 Favorites

19 Resources

0 Favorites

Toothpick Exploration Leading to Angle Sums of Polygons

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:How many toothpicks does it take? Students explore and develop their own formulas - leading to their discovery of the formula for the interior angle sums of polygons.

16 Resources

4 Favorites

16 Resources

4 Favorites

Regular Polygons

Geometry

» Unit:

Polygons and Congruent Triangle Proofs

Big Idea:The students work together, applying their knowledge of polygons to numerical problems involving regular polygons.

17 Resources

1 Favorites

17 Resources

1 Favorites