Public learning track
Rigid Transformations and Coordinate Mappings
8th Grade · Math · Open Global Math
9 lessons
Goal
Verify, represent algebraically, and apply translations, reflections, and rotations on the coordinate plane while proving preservation of length, angle measure, and parallelism.
Featured Diagrams
Properties of Rigid Transformations: Preserving Distance and Angle
9 lessons
0 of 9 done
- 1Properties of Rigid Transformations: Preserving Distance and AngleUp nextStart
- 2Coordinate Rules for TranslationsPremiumNot started yet
- 3Coordinate Rules for Reflections Across Axes and LinesNot started yet
- 4Coordinate Rules for Rotations About the OriginNot started yet
- 5Rotations About Arbitrary PointsNot started yet
- 6Translations, Reflections, and Rotations on the Coordinate PlaneNot started yet
- 7Compositions of Rigid MotionsNot started yet
- 8Preserving Parallelism and Collinearity Under Rigid MotionsNot started yet
- 9Defining Geometric Congruence via Sequences of Rigid MotionsNot started yet
Curriculum Framework
8th Grade · Math · Open Global Math
1
9 lessons
Rigid Transformations and Coordinate Mappings
Verify, represent algebraically, and apply translations, reflections, and rotations on the coordinate plane while proving preservation of length, angle measure, and parallelism.
2
11 lessons
Dilations, Homothety, and Triangle Similarity
Analyze dilations on and off the coordinate plane, establish triangle similarity criteria (AA, SAS, SSS), and apply Thales' intercept theorem.
3
12 lessons
Right Triangle Trigonometry and Applications
Define and evaluate acute right-triangle trigonometric ratios, recall exact values for special angles, and solve right triangles in applied contexts.
4
8 lessons
3D Spatial Projections, Multi-View Drawings, and Geometric Nets
Analyze 3D projections, sketch three-view drawings (front, top, side), and construct accurate models from geometric nets of prisms, cylinders, and cones.