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Khan Academy
Khan Academy: Practice: Classify Shapes by Line and Angle Types
Look at the properties of 2D shapes to see which shapes can belong to the same group. Includes hints.
Khan Academy
Khan Academy: Properties of Shapes
In this exercise, students practice applying the properties of shapes. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Classify Shapes by Line and Angle Types
Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.