Unit 1: Rigid Transformations & Congruence

Grade 8, Unit 1: Rigid Transformations and Congruence

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Unit Summary for Parents – PDF File

UNIT 1 EXTRA PRACTICE (Lessons 1 - 10)

Lesson Topic

IM Lesson

Khan Academy Support Videos

Khan Academy Online Practice

Class Notes

Lesson Summary & Homework Help

1 – Moving in the Plane

Lesson 1

 

 

 

8.1.1 Morgan

2 – Naming the Moves

Lesson 2

 

 

 

8.1.2 Morgan

3 – Grid Moves

Lesson 3

 

Practice Grid Moves

 

8.1.3 Morgan

4 – Making the Moves

Lesson 4

 

 

 

8.1.4 Morgan

5 – Coordinate Moves

Lesson 5

Translations Review

 

Reflecting Points

 

Reflecting Shapes

Translate Points

 

Translate Shapes

 

Reflect Points

 

8.1.5 Morgan

6 – Describing Transformations

Lesson 6

Determining Rotations

 

Determining Reflections

 

Mapping Shapes

Determine Translations

 

Determine Rotations – Basic

 

Determine Reflections

 

Mapping Shapes

 

8.1.6 Morgan

7 – No Bending or Stretching

Lesson 7

Rigid Transformations Intro

 

Finding Measures Using Rigid Transformations

 

Rigid Transformations: Preserved Properties

 

 

Find Measures Using Rigid Transformations

 

Rigid Transformations – Preserved Properties

 

8.1.7 Morgan

8 – Rotation Patterns

Lesson 8

 

 

 

8.1.8 Morgan

9 – Moves in Parallel

Lesson 9

 

 

 

8.1.9 Morgan

10 – Composing Figures

Lesson 10

 

 

 

8.1.10 Morgan

11 – What is the Same?

Lesson 11

 

 

 

8.1.11 Morgan

12 – Congruent Polygons

Lesson 12

Congruent Shapes and Transformations

 

Non-congruent Shapes and transformations

 

Congruence and Transformations

 

8.1.12 Morgan

13 – Congruence

Lesson 13

 

 

 

8.1.13 Morgan

14 – Alternate Interior Angles

Lesson 14

Alternate Interior Angles

Angle Relationships with Parallel Lines

 

8.1.14 Morgan

15 – Adding the Angles in a Triangle

Lesson 15

Triangle Angle Review

Find Angles in triangles

 

Find Angles in Isosceles Triangles

 

 

8.1.15 Morgan

16 – Parallel Lines and the Angles in a Triangle

Lesson 16

Angles in a triangle sum to 180 proof

 

Triangle exterior angle example

 

Triangle angles – intersecting lines

 

 

Finding angle measures using triangles

 

8.1.16 Morgan

17 – Rotate and Tessellate

Lesson 17

 

 

 

 

Unit 1 Review

 

 

Khan Academy Unit Test