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Two-dimensional Shapes

T.I.P.S.

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The student must be able to sort and classify two-dimensional shapes using informal language to describe their similarities, differences, number of sides and corners, and other attributes such as having sides of equal length.

Example

Look at the sides and corners of the shapes in each row.

a)  Which shape does not have the same number of sides and corners? Explain how it is different.

example

  

b)  Which shape does not have the same kind of corners as the other shapes? Explain how the other shapes are alike.

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  Hint

  Possible Solutions 

Digital Tools

Click on the following links for interactive games.  

Shape Shoot

Spot the Shapes

The Highlight Zone 

Buddy's Gem Hunt

Shape Construction   

Resources

Click on the following links for more information. 

TEKS

1.6 Geometry and measurement. The student applies mathematical process standards to analyze attributes of two-dimensional shapes and three-dimensional solids to develop generalizations about their properties. The student is expected to:

  (A) classify and sort regular and irregular two-dimensional shapes based on attributes using informal geometric language

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