Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Home

Professional Learning

Instructional StrategiesLesson PlansProfessional Learning

BetterLesson helps teachers and leaders make growth towards professional goals.

See what we offerLearn more about

My Curriculum

Tom Chandler

Geometry

Highland High

Ault, CO

Rural Environment

Similar Teachers

View all Master TeachersGeometry

(8 Units, 85 Lessons)

Unit 4 - Triangles and Congruence(11 Lessons)

Unit 1 - Models and Constructions(14 Lessons)

Unit 2 - Dimension and Structure(15 Lessons)

Unit 3 - Congruence and Rigid Motions(17 Lessons)

Unit 4 - Triangles and Congruence(11 Lessons)

Unit 5 - Area Relationships(6 Lessons)

Unit 6 - Scaling Up- Dilations, Similarity and Proportional Relationships(6 Lessons)

Unit 7 - Introduction to Trigonometry(10 Lessons)

Unit 8 - Volume of Cones, Pyramids, and Spheres(6 Lessons)

Triangle Construction Site

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students use an online simulation to build triangles from sets of parts and discover minimum conditions for proving triangles congruent.

15 Resources

5 Favorites

15 Resources

5 Favorites

Proving Triangles Congruent

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Using flow diagrams to organize an argument highlights conditions for triangle congruence.

20 Resources

6 Favorites

20 Resources

6 Favorites

Introduction to Two-Column Proof

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students use triangle congruence to understand the reasoning behind an old-timerâs method for checking an assembly for âsquarenessâ.

15 Resources

1 Favorite

15 Resources

1 Favorite

Applying Triangle Congruence

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students learn how proving triangles congruent can be used as part of a larger strategy in a proof.

18 Resources

5 Favorites

18 Resources

5 Favorites

Progress Check and Homework Review 1

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Student questions are the focus of the lesson as students grade their own homework and prepare for a homework quiz.

22 Resources

0 Favorites

22 Resources

0 Favorites

Reasoning About Constructions

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students reason about the geometry behind straight-edge and compass drawings. Deductions about constructions!

15 Resources

0 Favorites

15 Resources

0 Favorites

Verifying Properties of Constructions

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students use interactive geometry software to confirm their predictions about straight-edge and compass constructions. It's all done with triangles!

19 Resources

1 Favorite

19 Resources

1 Favorite

Proving Properties of Quadrilaterals 1

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students work in cooperative learning teams to complete scaffolded proofs. Why must a parallelogram have two pairs of congruent sides?

19 Resources

0 Favorites

19 Resources

0 Favorites

Proving Properties of Quadrilaterals 2

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Day Two of proving properties of quadrilaterals. Today is the day that most students will start to âgetâ formal proofs.

15 Resources

0 Favorites

15 Resources

0 Favorites

Progress Check and Homework Review 2

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Student questions are the focus of the lesson as students grade their own homework and prepare for a homework quiz.

23 Resources

1 Favorite

23 Resources

1 Favorite

Triangle Congruence Unit Quiz

Geometry

Â» Unit:

Triangles and Congruence

Big Idea:Students show what they have learned about triangle congruence.

24 Resources

1 Favorite

24 Resources

1 Favorite