Line Symmetry

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Line Symmetry

• Year 4

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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.
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These shapes have one line of symmetry
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These shapes have two lines of symmetry
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Some shapes have more than 2 lines of symmetry
How many lines of symmetry has a square got?
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Watch!
A square has 4 lines of symmetry
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How many lines of symmetry does this shape have?
0
1
2
More than 2
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Watch!
This shape has 1 line of symmetry
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Well done!
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But how many lines of symmetry does this shape
have?
0
1
2
More than 2
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Watch!
This shape has 2 lines of symmetry
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Well done!
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How many lines of symmetry does this shape have?
0
1
2
More than 2
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Watch!
This shape has 3 lines of symmetry
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Well done!
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But how many lines of symmetry does this shape
have?
0
1
2
More than 2
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Watch!
This shape has only 2 lines of symmetry
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Well done!
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What happens when
you join two shapes together?
Investigate.