HSI.4 Rigid Motions (G1)

Beginning Lesson

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Key Board

How do you create simple video games? Students apply geometric transformations to build (and play) their own games.

Topic: Congruence (CO), Geometry (G)

Middle Lesson



What's the best way to position a car's mirrors? Students use reflections and congruent angles to determine the best orientation for rear- and side-view mirrors, and learn how to correct those dangerous blind spots.

Topic: Geometry (G), Congruence (CO)

End Lesson


Face Value

How symmetrical are faces? Students apply their understanding of line reflections to develop a metric for facial symmetry.

Topic: Congruence (CO)