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# Symmetry

## by Jennifer Gomez on Oct 25, 2010

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## SymmetryPresentation Transcript

• Symmetry By Jennifer Gomez
• Real face Two left sides Two right sides
• Symmetry
• Symmetry is not bilateral symmetry.
• Symmetry has 4 main parts
• Lines of Symmetry
• Translation
• Reflection
• Rotation
• Examples
• Terminology
• Educators make the mistake of saying mirror image rather than reflection making students remember and learn incorrect terminology
• Symmetry
• Symmetry is an easily understood subject BUT if students learn incorrectly it is because the educator does not fully understand the concept as well.
• Difficult Examples
• 1 st Technique
• 2 nd Technique
• Lines of Symmetry
• Symmetry
• Symmetry is when an object has two or more equal sides when split in half, in smaller pieces or it is moved in anyway.
The tiger has 1 line of symmetry .
• A shape has line symmetry when one half of it is the reflection of the other half.
• Symmetry with the Alphabet
• Symmetry with Shapes
• JENNIFER
• Objective
• Understand there are three types of lines of Symmetry
• Not ALL objects have a line of symmetry
• To have a line of symmetry on objects half needs to be a reflection of the other half.
• Conclusion
• Educators need to make sure they cover all aspects of symmetry.
• Art is on of the best techniques to teach children about symmetry.
• Make sure to always use the correct terminology in mathematics especially symmetry.
• Thank You