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Lines of Symmetry

T.I.P.S.

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Students must be able to look at a two-dimensional figure, decide if it has lines of line of symmetry, and draw one or more lines of symmetry if they exist.

Example

For the figures below, draw all lines of symmetry, and explain your reasoning. 

Images of a stop light, triangle, and street sign

Hint 

Possible Solution 

Digital Tools

Click on the following links for interactive games.  

Lines of Symmetry 

Practicing Lines of Symmetry

Symmetry Game 

Drawing Symmetry 

Symmetry Sorting 

Resources

Click on the following links for more information.

TEKS

Supporting Standard 4.6 Geometry and measurement. The student applies mathematical process standards to analyze geometric attributes in order to develop generalizations about their properties. The student is expected to: (B) identify and draw one or more lines of symmetry, if they exist, for a two-dimensional figure

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