Names of 2D Shapes

Two-d or not two-d? That's not really the question because the figures here are all two-dimensional. Learners identify the names of polygons, starting with triangles and ending with decagons. The video also describes circles and semicircles.

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CCSS: Adaptable
Instructional Ideas

  • Have the class create flashcards for the shape names
Classroom Considerations

  • It is helpful if pupils have knowledge of prefixes, such as tri-, penta-, etc.
  • Note that the intended audience is scholars studying for the GCSE

  • Includes a worksheet with practice problems

  • A poster showing shapes and names would be sufficient for the lesson
Common Core