G.TRF.4
Use geometric constructions to represent rotations, reflections, translations, and dilations in the plane with a variety of tools and methods.
Khan Academy ResourcesProperties of translationsRotating shapes about the origin by multiples of 90°Translating shapesRotations introDetermining rotationsReflecting shapesTranslations introDetermining translationsPrecisely defining rotationsMapping shapesSequences of transformationsDetermine reflections (advanced)Reflect shapesDilations: scale factorRotate shapesCongruence & transformationsTranslate pointsFind measures using rigid transformationsDilate trianglesDefining transformationsDilations: centerDilate pointsIdentify transformations Reflect pointsRotate pointsRigid transformations: preserved propertiesDetermine reflectionsDetermine translationsTranslate shapesDilations and propertiesDetermine rotationsTranslating shapesRotating pointsReflecting shapes: diagonal line of reflectionTranslating pointsDilating shapes: expandingReflecting pointsDetermining reflections (advanced)Determining translationsIdentifying transformationsDilations introMapping shapesTranslation challenge problemDefining transformationsNon-congruent shapes & transformationsDetermining rotationsSequences of transformationsIdentifying type of transformationDilating shapes: shrinkingDilations: scale factorRigid transformations introDilating shapes: shrinking by 1/2Rigid transformations: preserved propertiesFinding measures using rigid transformationsDetermining reflectionsDilations: centerDilations and propertiesReflecting shapesRotating shapesDilating pointsCongruent shapes & transformations

1-on-1 AI tutoring aligned to G.TRF.4. 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 →