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Line symmetry 1. Line Symmetry (can be called reflectional symmetry)– if you can fold a shape and have the edges meet  The place where you fold is called.

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Presentation on theme: "Line symmetry 1. Line Symmetry (can be called reflectional symmetry)– if you can fold a shape and have the edges meet  The place where you fold is called."— Presentation transcript:

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2 Line symmetry 1. Line Symmetry (can be called reflectional symmetry)– if you can fold a shape and have the edges meet  The place where you fold is called the line of symmetry

3 Line Symmetry in the Alphabet Which letters have got lines of symmetry? ABCDEFGHI JKLMNOPQR STUVWXYZ Click to see the lines of symmetry.

4 Lines of Symmetry all around us Which of these road signs have got lines of symmetry? Click to see the lines of symmetry.

5 Rotational symmetry  A figure that has rotational symmetry is its own image for some rotation of 180° or less. A figure that has point symmetry has 180° rotational symmetry.

6 Examples:

7 Rotational Symmetry all around us Which road signs have got rotational symmetry? Click to see the answers.

8 Rotational Symmetry all around us Which road signs have got rotational symmetry?

9 Rotational Symmetry all around us Click to see the road signs with rotational symmetry. Order 3Order 2

10 Rotational Symmetry all around us Click to see more road signs with rotational symmetry. Order 4Order 3Order 2

11 Rotational Symmetry all around us Click to see more road signs with rotational symmetry. Order 3Order 2


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