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Organization: Virginia Standards of Learning
Grade Band: 8th Grade
Standard Goal: Geometry
| Translations, Reflections, and Rotations |
Lesson: Introduces students to concepts of transformations.
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Flake Maker |
Activity: Create your own fractals by drawing a "line deformation rule" and stepping through the generation of a geometric fractal. Parameters: Grid type, number of bending points on the line.
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Floor Tiles |
Activity: Build a "floor tile" by dragging the corners of a quadrilateral. Learn about tessellations created from quadrilaterals when the shape you build is tiled over a plane.
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Transmographer |
Activity: Explore the world of translations, reflections, and rotations in the Cartesian coordinate system by performing transformations on squares, triangles and parallelograms. Parameters: Shape, x or y translation, reflections across vertical and horizontal lines, angle and point of rotation.
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Transmographer 2 |
Activity: Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, rotations about any point, and translations in any direction. Parameters: Shape, x or y translation, x or y reflection, angle of rotation
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