Unit 1

Rigid Transformations

• Lesson 1

  Moving in the Plane

• Lesson 2

  Naming the Moves

• Lesson 3

  Grid Moves

• Lesson 4

  Making the Moves

• Lesson 5

  Coordinate Moves

• Lesson 6

  Describing Transformations

Properties of Rigid Transformations

• Lesson 7

  No Bending or Stretching

• Lesson 8

  Rotation Patterns

• Lesson 9

  Moves in Parallel

• Lesson 10

  Composing Figures

Congruence

• Lesson 11

  What Is the Same?

• Lesson 12

  Congruent Polygons

• Lesson 13

  Congruence

Angles in a Triangle

• Lesson 14

  Alternate Interior Angles

• Lesson 15

  Adding the Angles in a Triangle

• Lesson 16

  Parallel Lines and the Angles in a Triangle

Let's Put It to Work

• Lesson 17

  Rotate and Tessellate