Line Symmetry A shape has line symmetry if
- Slides: 20
Line Symmetry
A shape has line symmetry if… You can draw a line through it so that one part is exactly the same as the other part.
These shapes have one line of symmetry
These shapes have two lines of symmetry
Some shapes have more than 2 lines of symmetry How many lines of symmetry has a square got?
Watch! A square has 4 lines of symmetry
How many lines of symmetry does this shape have? 0 1 2 More than 2
Watch! This shape has 1 line of symmetry
But how many lines of symmetry does this shape have? 0 1 2 More than 2
Watch! This shape has 2 lines of symmetry
How many lines of symmetry does this shape have? 0 1 2 More than 2
Watch! This shape has 3 lines of symmetry
But how many lines of symmetry does this shape have? 0 1 2 More than 2
Watch! This shape has only 2 lines of symmetry
What happens when… …you join two shapes together? Investigate.
Games! • Symmetry Sort – http: //www. crickweb. co. uk/assets/resources/flash. php? &file=Symm • Symmetry Shape Game – http: //www. innovationslearning. co. uk/subjects/maths/activities/year 3/symmetry/shape_game. asp Individual Games Virtual Symmetry http: //www. techniquest. org/virtual/sketching/ Line Symmetry Game http: //www. adrianbruce. com/Symmetry/game/whiteboard-activity 4. html Kaleidoscope Painter http: //www. permadi. com/java/spaint. html
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