by Katie Holmberg and Judy Jurnack
First graders have learned all about shapes called polygons. They know that:
After learning the rules, the building began! Using straws and twist-ties, the first graders became experts at creating polygons.
- The sides of a polygon are all straight.
- Polygons have corners, where two sides meet.
- Sides meet only at their ends.
- The sides are connected – there aren’t any gaps.
After learning the rules, the building began! Using straws and twist-ties, the first graders became experts at creating polygons.
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