All vs. Only Some

This All vs. Only Some activity & project also includes:

All shapes have certain defining attributes that set them apart from others. In order to understand this, young mathematicians look at examples and non-examples of triangles, rectangles, and squares, working as a whole class to create definitions of each shape. To demonstrate their understanding of these new definitions, children are given a worksheet and asked to color a series of shapes according to their classification. This resource would serve perfectly as the introductory lesson to a primary grade geometry unit.

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CCSS: Designed
Pros

  • Examples and non-examples of each shape clearly demonstrate their defining attributes
  • Suggestions are included for modifying the lesson to meet the needs of all learners
Cons

  • Teacher must prepare sentence frames to support children with the lesson's academic language
Common Core