symmetry

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