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Symmetry Year 3 & 4

Symmetry for kids

Symmetry
Year 3 & 4

Symmetry Year 3 & 4 KS2. Maths homework help with rotational symmetry and completing symmetry drawings.

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Rotational symmetry

Rotational symmetry exampleWhen a shape has rotational symmetry it means that you can turn it to fit into itself. The point on where the shape turns around is the centre of rotational symmetry. The order of rotational symmetry is the number of times that it fits into itself when it's turned 360˚.

Rotational & Line Symmetry ExplainedRotational & Line Symmetry Explained
Rotational & Line Symmetry explained in this clear video.

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Shape Symmetry

Different shapes have a different amount of order of rotational symmetry.

Here is a list of common shapes and how many order of rotational symmetry they have.

Square

4 lines of symmetry
4 order of rotational symmetry

Square lines of symmetry
Rectangles

5 lines of symmetry
1 order of rotational symmetry

Rectangle lines of symmetry
Isosceles Triangle

1 lines of symmetry
1 order of rotational symmetry

Isosceles triangle lines of symmetry
Equilateral Triangle

3 lines of symmetry
3 order of rotational symmetry

Equilateral triangle lines of symmetry
Circle

Infinite lines of symmetry
Infinite order of rotational symmetry

Circle lines of symmetry
Ellipse

2 lines of symmetry
2 order of rotational symmetry

Ellipses lines of symmetry
Rhombus

2 lines of symmetry
2 order of rotational symmetry

Rhombus lines of symmetry
Trapezium

4 lines of symmetry
4 order of rotational symmetry

Trapezium lines of symmetry
Pentagon

5 lines of symmetry
1 order of rotational symmetry

Pentagon lines of symmetry
Hexagon

6 lines of symmetry
6 order of rotational symmetry

Hexagon lines of symmetry
Octagon

8 lines of symmetry
8 order of rotational symmetry

Octagon lines of symmetry  



Drawing reflections

Drawing reflectionsWhen drawing a reflection remember that the object is flipped.

  • Start by marking the points of the object by counting how far away they are from the mirror line.
  • Join up the dots to make the image.
Symmetry shapes gameSymmetry Shapes
Create the pattern in symmetry. Try horizontal lines, vertical lines and diagonal lines.

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