Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Empty Layer.

Geometry

(8 Units, 85 Lessons)

Unit 3 - Congruence and Rigid Motions(17 Lessons)

Previewing Congruence and Rigid Motions

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students learn what will be expected of them in this unit as they are encouraged to persevere in making sense of a pair of novel problems.

36 Resources

4 Favorites

36 Resources

4 Favorites

Congruence and Coincidence

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Hands-on activities reinforce the connection between congruence and coincidence, helping students to go beyond "same shape, same size".

35 Resources

2 Favorites

35 Resources

2 Favorites

Re-Discovering Symmetry

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students describe symmetry in the art of M. C. Escher and others. In the process, they learn to describe transformations that bring corresponding parts of a figure together.

31 Resources

2 Favorites

31 Resources

2 Favorites

Perfect Polygons

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Constructing polygons inscribed in a circle allows students to experience first-hand the many congruences of a regular polygon. Besides, its fun!

29 Resources

3 Favorites

29 Resources

3 Favorites

Bisector Bonanza

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students use compass and straight-edge, aided by tracing paper and paper-folding, to explore the properties of bisectors, while gaining insights into the workings of transformations.

26 Resources

1 Favorites

26 Resources

1 Favorites

The Shortest Segment

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students use the symmetry of a geometric model to reason that the shortest distance between a point and a line is a... bisector.

25 Resources

1 Favorites

25 Resources

1 Favorites

From Perpendiculars to Parallels

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students consolidate and extend their knowledge of constructions related to bisectors: "A perpendicular to a perpendicular is a parallel."

29 Resources

4 Favorites

29 Resources

4 Favorites

Reviewing Congruence

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students review homework and assess their progress. How much have we learned?

27 Resources

1 Favorites

27 Resources

1 Favorites

Re-Examining Reflections

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students learn the properties of reflections by constructing one. They use these properties to solve problems involving the Gateway Arch in St. Louis.

33 Resources

3 Favorites

33 Resources

3 Favorites

Reconsidering Rotations

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students learn how rotations work by constructing one--then use their insights to deduce the location of a missing Mars rover.

31 Resources

5 Favorites

31 Resources

5 Favorites

Taking Apart Translations

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Using geometric constructions and measurement to learn the properties of rigid motion via translation.

32 Resources

1 Favorites

32 Resources

1 Favorites

Visualizing Transformations

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students learn that knowledge--along with practice--makes perfect when it comes to predicting the result of a reflection, rotation, or translation.

23 Resources

0 Favorites

23 Resources

0 Favorites

Reasoning About Rigid Motions

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students learn how to use reason as well as experience to understand the result of transforming a figure. Deductive and inductive logic work hand-in-hand!

18 Resources

1 Favorites

18 Resources

1 Favorites

Analyzing the Symmetry of a Polygon

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students use the symmetry of a polygon to deduce its properties while continuing to develop their ability to use transformations. Now, just where does that line of symmetry have to be?

27 Resources

2 Favorites

27 Resources

2 Favorites

Reviewing Rigid Motions

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Guided notes bring what students learned about using rigid motions and congruence together as they prepare for the unit summative assessment.

21 Resources

1 Favorites

21 Resources

1 Favorites

Rigid Motion and Congruence Unit Quiz

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Students complete the summative assessment for the unit. Game Day!

16 Resources

1 Favorites

16 Resources

1 Favorites

Describing Precise Transformations

Geometry

» Unit:

Congruence and Rigid Motions

Big Idea:Using dynamic geometry software, students learn to determine the precise vector, line of reflection, or center and angle of rotation that will bring parts of a triangle together.

18 Resources

0 Favorites

18 Resources

0 Favorites