Line Symmetry › wordpress › wp... · symmetry. • One half of the shape is the mirror image of...
Transcript of Line Symmetry › wordpress › wp... · symmetry. • One half of the shape is the mirror image of...
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Line Symmetry• 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.
• One half of the shape is the mirror image of the other half.• The fold is called a line of symmetry or reflection.
Shapes can have a vertical, horizontal or diagonal line of symmetry.
Often things in the world around us have a line of symmetry, such as this tiger and this crab.
This shape has got a vertical line of symmetry.
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This shows a line of symmetry. True or false?
TRUE FALSE
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This shows a line of symmetry. True or false?
TRUE
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TRUE FALSE
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TRUE
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TRUE FALSE
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FALSE
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TRUE FALSE
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TRUE
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Lines of Symmetry all around usWhich of these road signs have got lines of symmetry?
Draw them on if you have a paper copy or trace them
on the screen if you are on a computer or tablet.
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Lines of Symmetry all around usWhich of these road signs have got lines of symmetry?
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Line Symmetry in the Alphabet
Which letters have got lines of symmetry?
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
Draw them on if you have a paper copy or trace them on the screen if you don’t.
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Line Symmetry in the Alphabet
Which letters have got lines of symmetry?
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.
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Patterns
• Patterns in the world around us are symmetrical. Can you see the line or lines of symmetry in these patterns?