Common Core Math Vocabulary

Closed Shape - Definition with Examples

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What is a closed shape? 
In geometry, a closed shape can be defined as a enclosed shape or figure whose line segments and/or curves are connected or meet. They start and end at the same point.
 

Here are some examples of closed shapes.

Closed shapes two-dimensional start and end point

  Fun Facts

  • If a shape is closed, one can take a pencil and trace it all the way back to where they started, without any breaks.
 

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Closed shapes are  all complete.
Circles and Triangles on a sheet.
Look close! All their ends meet! 
 

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Instead of handing out worksheets to identify or draw closed shapes, give your children playdough and matchsticks. Ask them to make different closed shapes using play dough for curves and match sticks for lines segments.
 

related math vocabulary Related math vocabulary

 

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