Use geometric reasoning and symmetries of regular polygons to develop definitions of rotations, reflections, and translations.
Example Problems
Point Q' is the image of Q under a translation.
What was the translation?
What was the translation?
Point is the image of under a translation.
What was the translation?
What was the translation?
Point is the image of under a translation.
What was the translation?
What was the translation?
Khan Academy ResourcesProperties of translationsRotating shapes about the origin by multiples of 90°Translating shapesRotations introDetermining rotationsReflecting shapesTranslations introDetermining translationsPrecisely defining rotationsMapping shapesDetermine reflections (advanced)Reflect shapesRotate shapesCongruence & transformationsTranslate pointsFind measures using rigid transformationsDefining transformationsDilations: centerIdentify transformations Reflect pointsRotate pointsRigid transformations: preserved propertiesDetermine reflectionsDetermine translationsTranslate shapesDetermine rotationsTranslating shapesRotating pointsReflecting shapes: diagonal line of reflectionTranslating pointsReflecting pointsDetermining reflections (advanced)Determining translationsIdentifying transformationsMapping shapesTranslation challenge problemDefining transformationsNon-congruent shapes & transformationsDetermining rotationsIdentifying type of transformationDilating shapes: shrinkingRigid transformations introFinding measures using rigid transformationsDetermining reflectionsDilations: centerReflecting shapesRotating shapesCongruent shapes & transformations
1-on-1 AI tutoring aligned to G.GSR.3.1. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →