Unit 1 Rigid Transformations & Congruence
Lesson
Standards
Learning Targets
Additional Resources
Lesson 1:
Building Toward:
NC.8.G.2
Building On:
NC.4.MD.6
I can describe how a figure moves and turns to get from one position to another.
Lesson 2:
I know the difference between translations, rotations, and reflections.
I can identify corresponding points before and after a transformation.
Lesson 3:
Addressing:
NC.8.G.2
Building Toward:
NC.8.G.2
Building On:
NC.7.G.1
I can use grids to carry out transformations of figures.
I can decide which type of transformations will work to move one figure to another.
Digital Manipulative
3.2 Transformation Information
Khan Academy Videos
Video Lesson Summary: G8U1V1 Rigid Transformations From Illustrative Mathematics
I can use the terms translation, rotation, and reflection to precisely describe transformations.
Digital Manipulative
Khan Academy Videos
Illustrative Mathmatics
Video Lesson Summary: G8U1V1 Rigid Transformations From Illustrative Mathematics
I can apply transformations to points on a grid if I know their coordinates.
Digital Manipulative
5.2 Reflecting Points on the Coordinate Plane
5.3 Transformation of a Segment
Khan Academy Videos
Reflecting Points Across Horizontal and Vertical Lines
Example Reflecting Quadrilateral Over x Axis
Khan Academy Practice
Video Lesson Summary: G8U1V1 Rigid Transformations From Illustrative Mathematics
Lesson 6:
I can apply transformations to a polygon on a grid if I know the coordinates of its vertices
Lesson 7:
I can describe the effects of a rigid transformation on the lengths and angles in a polygon.
Digital Manipulative
Khan Academy Videos
Introduction to Transformations
Finding Measures Using Rigid Transformations
Properties preserved after rigid transformations
Khan Academy Practice
Find Measures Using Rigid Transformations
Video Lesson Summary: G8U1V2 Properties of Rigid Transformations From Illustrative Mathematics
Lesson 8:
I can describe how to move one part of a figure to another using a rigid transformation.
Lesson 9:
I can describe the effects of a rigid transformation on a pair of parallel lines.
If I have a pair of vertical angles and know the angle measure of one of them, I can find the angle measure of the other.
YouTube Video
Rigid Motions and Parallel Lines
Khan Academy Video
Khan Academy Practice
Video Lesson Summary: G8U1V2 Properties of Rigid Transformations From Illustrative Mathematics
Lesson 10:
I can find missing side lengths or angle measures using properties of rigid transformations.
Lesson 11:
I can decide visually whether or not two figures are congruent.
Lesson 12:
I can decide using rigid transformations whether or not two figures are congruent.
Lesson 13:
I can use distances between points to decide if two figures are congruent.
YouTube Video
Khan Academy Videos
Testing Congruence by Transformations Example
Another Congruence by Transformation Example
Khan Academy Practice
Congruence and Transformations
Video Lesson Summary: G8U1V3 Congruence From Illustrative Mathematics
Lesson 14:
Addressing:
NC.8.G.2
NC.8.G.5
Building On:
NC.7.G.5
If I have two parallel lines cut by a transversal, I can identify alternate interior angles and use that to find missing angle measurements.
Lesson 15:
Addressing:
NC.8.G.2
NC.8.G.5
Building On:
NC.7.G.2
If I know two of the angle measures in a triangle, I can find the third angle measure.
Lesson 16:
Addressing:
NC.8.G.5
Building Toward:
NC.8.G.6
Building On:
NC.7.NS.3
NC.8.G.2
I can explain using pictures why the sum of the angles in any triangle is 180 degrees.
Digital Manipulative
Khan Academy Videos
Proof: Sum of measures of angles in a triangle are 180
Khan Academy Practice
Finding Angle Measures Using Triangles
Video Lesson Summary: G8U1V4 Angles in a Triangle From Illustrative Mathematics
Lesson 17:
Addressing:
NC.8.G.2
Building On:
NC.4.MD.6
NC.7.G.5
I can use properties of angle sums to reason about how figures will fit together.
I can repeatedly use rigid transformations to make interesting repeating patterns of figures.