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Symmetry
By
Jennifer Gomez
Real face Two left sidesTwo 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
1st Technique
2nd 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 symmetryTo 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