Kungfu math p4 slide23 (symmetry)pdf

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Kungfu math p4 slide23 (symmetry)pdf

  1. 1. Geometry SymmetryWhat will we learn today?• identifying symmetric figures• determining whether a straight line is a line of symmetry of a symmetric figure• completing a symmetric figure with respect to a given horizontal/vertical line of symmetry
  2. 2. Lets find symmetry in shapes!
  3. 3. Symmetric FiguresYou can find if a shape has a Line of Symmetryby folding it.When the folded part sits perfectly on top(all edges matching), then the fold line is aLine of Symmetry.
  4. 4. Symmetric FiguresWhen the folded part sits perfectly on top(all edges matching), then the fold line is aLine of Symmetry.
  5. 5. Symmetric FiguresTry folding it this way!When the folded part sits perfectly on top(all edges matching), then the fold line is aLine of Symmetry.
  6. 6. Symmetric FiguresTry folding it this way!When the folded part sits perfectly on top(all edges matching), then the fold line is aLine of Symmetry.This is line of symmetry.
  7. 7. Try this out!Find the line of symmetry.
  8. 8. Is this the line of symmetry? No, it is not the line of symmetry.The line does not cut the figure into equal shapes.
  9. 9. Solution
  10. 10. Try this out!Find the line of symmetry.
  11. 11. Try this out!Find the line of symmetry.
  12. 12. Try this out!Find the line of symmetry.
  13. 13. Try this out!Find the line of symmetry.
  14. 14. Try this out!Find the line of symmetry.
  15. 15. There are 4 lines of symmetry.
  16. 16. Try this out!Complete the figure.
  17. 17. Solution
  18. 18. Are you ready to try out the questions?
  19. 19. Visit kungfumath.sg today!

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