G.2D.1.11
Use numeric, graphic, and algebraic representations of transformations in two dimensions (e.g., reflections, translations, dilations, rotations about the origin by multiples of 90') to solve problems involving figures on a coordinate plane and identify types of symmetry.
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°Determine reflections (advanced)Rotate shapesReflective symmetry of 2D shapesDefining transformationsDilations: centerRotational symmetry of 2D shapesDetermine rotationsReflecting shapes: diagonal line of reflectionFinding a quadrilateral from its symmetries (example 2)Finding a quadrilateral from its symmetriesDetermining reflections (advanced)Defining transformationsIntro to rotational symmetryIdentifying type of transformationDilating shapes: shrinkingDilations: centerRotating shapes
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