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- 1. Line Symmetry 3 rd Grade
- 2. Line Symmetry <ul><li>Shape has line symmetry when one half of it is the mirror image of the other half. </li></ul><ul><li>Symmetry exists all around us and many people see it as being a thing of beauty. </li></ul>
- 3. Is a butterfly symmetrical?
- 4. The Taj Mahal <ul><li>Symmetry exists in architecture all around the world. The best known example of this is the Taj Mahal. </li></ul>
- 5. Let’s talk about Lines of Symmetry <ul><li>If a shape can be folded in half so that one half fits exactly on top of the other, then we say that the shape has got line symmetry . </li></ul><ul><li>The fold is called a line of symmetry. </li></ul><ul><li>This shape has got a vertical line of symmetry. </li></ul>
- 6. Line Symmetry in the Alphabet <ul><li>Which letters have got lines of symmetry? </li></ul>A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Click to see the lines of symmetry.
- 7. Lines of Symmetry all around us <ul><li>Which of these road signs have got lines of symmetry? </li></ul>Click to see the lines of symmetry.
- 8. Line Symmetry with Polygons <ul><li>How many lines of symmetry does each Polygon have? </li></ul><ul><li>Sort them according to their lines of symmetry. </li></ul>One Line of Symmetry Two Lines of Symmetry Three Lines of Symmetry Six Lines of Symmetry
- 9. Line Symmetry with Polygons <ul><li>Line of Symmetry- a line on which a figure can be folded so that both sides match </li></ul>One Line of Symmetry Two Lines of Symmetry Three Lines of Symmetry Six Lines of Symmetry

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