Slicing Square Watermelon

This Slicing Square Watermelon activity & project also includes:

Nothing like sitting on the porch enjoying a big slice of watermelon, unless it's square and then how do we cut it? This lesson starts with the cube and the shape possibilities when we make cuts in different locations. The activity can be done with playdough or drawings to show how cuts parallel and perpendicular to the base make specific shapes. After the activity, use the worksheet to show different 3-D shapes and have learners match them to their cross sections. While the lesson was made for the 7th grade standard, it can be adapted for the geometry standard listed. 

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CCSS: Designed
Pros

  • Playdough may be used as manipulative to allow learners to cut their own cross sections
  • Different tasks can be done within groups or individually 
Cons

  • No answer key provided
Common Core