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Symmetry

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by

Teresa Morgan

on 7 December 2014

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Transcript of Symmetry

Symmetry
What is Symmetry?
"Symmetry is when one shape becomes exactly the same if you flip, turn or slide it."
Examples of Symmetry in Shapes
Lines of Symmetry.
"The 'Line of Symmetry' is the imaginary line where you can fold the image and have both halves match exactly."
http://www.mathsisfun.com/definitions/symmetry.html
Rectangle
Circle
Triangle
http://www.mathsisfun.com/definitions/line-symmetry.html
Symmetry in Nature
There are two forms of symmetrical items in nature; 'man made and natural'
Man Made
Nature
Human Face
Snowflake
Butterfly
Dog
Leaf
Activity #1
1. Students go on a symmetry walk: an exploration outside looking for objects that are Symmetrical.
2. Students can draw or take photos of symmetrical objects.
3. Students are to turn and talk, discussing what they found.
4. Collate students findings on a class anchor chart for future referencing.
Activity #2
Symmetry with paint.
Our Symmetry Walk
Types of Symmetry
1. Reflection Symmetry
2. Rotational Symmetry
3. Translation (Slide) Symmetry
Man Made
Nature
Eiffel Tower
Taj Mahal
Boat
Students are to create
own symmetry image.
By Teresa Morgan.
Activity #3
1. Get students to work in pairs at their table.
2. First student is to draw a half of picture. Like Example:
3. Second student is to complete the other half of the image, to practice reflection symmetry.
Full transcript