# Symmetry (Line/Reflection) ```Whiteboardmaths.com
7 2
1 5
One Line of Symmetry
Vertical lines
of symmetry
Horizontal lines
of symmetry
Diagonal lines of
symmetry
1 LoS
2 Lines of Symmetry
2 LoS
The Rectangle Problem
Rectangle
A rectangle has only 2 lines of symmetry and not 4 like the square

To see this consider the following:
Half a rectangle
Mirror Line
The Rectangle Problem
A rectangle has only 2 lines of symmetry and not 4 like the square

To see this consider the following:
A reflection in the diagonal
would produce a kite!
Half a rectangle
Mirror Line
3 LoS
3 Lines of Symmetry
4 LoS
4 Lines of Symmetry
5 Lines of Symmetry
5 LoS
6 LoS
6 Lines of Symmetry
Regular Polygons
Equilateral Triangle
Square
Regular Pentagon
Regular polygons
have lines of
symmetry equal to
the number of
sides/angles that
they possess.
Regular Hexagon
Regular Octagon
Regular
How many lines of symmetry for each shape?
4
3
6
Mix 1
5
8
How many lines of symmetry for each shape?
6
5
3
Mix 2
4
5
How many lines of symmetry for each shape?
2
2
5
3
Mix 3
4
How many lines of symmetry for each shape?
Mix 4
6
2
1
2
4
1
How many lines of symmetry for each shape?
1
2
4
Mix 5
5
3
How many lines of symmetry for each shape?
8
4
6
1
1
Mix 6
And a big
thankyou to all our
friends!
Reflections
Reflect the object
shape in the mirror line
shown.
Trace the shape and
mirror line using
tracing paper.
object
Turn tracing paper
over and match up
mirror lines.
Mirror Line
Tracing 1
Reflections
Reflect the shape in
the mirror line shown.
Trace the shape and
mirror line using
tracing paper.
object
Turn tracing paper
over and match up
mirror lines.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
Reflections
Reflect the shape in
the mirror line shown.
object
image
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
Reflections
Reflect the object
shape in the mirror line
shown.
object
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines.
Mirror Line
Tracing 2
Reflections
Reflect the object
shape in the mirror line
shown.
object
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
Reflections
object
image
Reflect the object
shape in the mirror line
shown.
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
Reflections
object
Reflect the object
shape in the mirror line
shown.
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines/square
corners.
Mirror Line
Tracing 3
Reflections
object
Reflect the object
shape in the mirror line
shown.
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines/square
corners.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
Reflections
Reflect the object
shape in the mirror line
shown.
object
image
Trace the shape and
mirror line using
tracing paper.
Turn tracing paper
over and match up
mirror lines/square
corners.
Mark position of
vertices, remove
tracing paper and draw
image of shape.
Mirror Line
WS 1
WS 2
Ws 3
WS 4
WS 5
WS 6
How many lines of symmetry for each shape?
4
3
6
Mix 1a
5
8
How many lines of symmetry for each shape?
6
5
3
Mix 2a
4
5
How many lines of symmetry for each shape?
2
2
5
3
Mix 3a
4
How many lines of symmetry for each shape?
Mix 4a
6
1
2
2
4
1
How many lines of symmetry for each shape?
1
2
4
Mix 5a
5
3
How many lines of symmetry for each shape?
8
4
6
1
1
Mix 6a
Reflections
Tracing 1a
Reflections
Tracing
2a
Reflections
Tracing 3a
```