T Madas A shape has rotational symmetry if

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© T Madas

© T Madas

A shape has rotational symmetry, if it looks the same in more than one

A shape has rotational symmetry, if it looks the same in more than one position, when rotated about its centre. We say it has a rotational symmetry of order 2 if it looks the same in 2 positions within a whole turn © T Madas

A shape has rotational symmetry, if it looks the same in more than one

A shape has rotational symmetry, if it looks the same in more than one position, when rotated about its centre. We say it has a rotational symmetry of order 3 if it looks the same in 3 positions within a whole turn © T Madas

A shape has rotational symmetry, if it looks the same in more than one

A shape has rotational symmetry, if it looks the same in more than one position, when rotated about its centre. We say it has a rotational symmetry of order 4 if it looks the same in 4 positions within a whole turn © T Madas

Rotational Symmetry Practice © T Madas

Rotational Symmetry Practice © T Madas

Find the order of rotational symmetry for each shape: 4 6 3 2 ©

Find the order of rotational symmetry for each shape: 4 6 3 2 © T Madas

Find the order of rotational symmetry for each shape: 6 3 none © T

Find the order of rotational symmetry for each shape: 6 3 none © T Madas

Rotation and Rotational Symmetry © T Madas

Rotation and Rotational Symmetry © T Madas

We we start we the flag shape below We want to create a new

We we start we the flag shape below We want to create a new shape with rotational symmetry We pick a point as the centre of rotation For rotational symmetry of order 2: We rotate the shape by 180° 360 ÷ 2 = 180 © T Madas

For rotational symmetry of order 4: We rotate the shape by 90° 360 ÷

For rotational symmetry of order 4: We rotate the shape by 90° 360 ÷ 4 = 90 © T Madas

For rotational symmetry of order 3: We rotate the shape by 120° 360 ÷

For rotational symmetry of order 3: We rotate the shape by 120° 360 ÷ 3 = 120 © T Madas

For rotational symmetry of order 5: We rotate the shape by 72° 360 ÷

For rotational symmetry of order 5: We rotate the shape by 72° 360 ÷ 5 = 72 © T Madas

Rotational Symmetry Practice © T Madas

Rotational Symmetry Practice © T Madas

Shade one or more squares to create a shape with rotational order: 5 ©

Shade one or more squares to create a shape with rotational order: 5 © T Madas

Shade one or more squares to create a shape with rotational order: 2 ©

Shade one or more squares to create a shape with rotational order: 2 © T Madas

Rotational Symmetry Practice © T Madas

Rotational Symmetry Practice © T Madas

Make a shape with rotational symmetry of order 2 © T Madas

Make a shape with rotational symmetry of order 2 © T Madas

Make a shape with rotational symmetry of order 4 © T Madas

Make a shape with rotational symmetry of order 4 © T Madas

Make a shape with rotational symmetry of order 3 © T Madas

Make a shape with rotational symmetry of order 3 © T Madas

Rotational Symmetry Practice © T Madas

Rotational Symmetry Practice © T Madas

Shade this shape so that it has rotational symmetry of order 4 © T

Shade this shape so that it has rotational symmetry of order 4 © T Madas

Shade this shape so that it has rotational symmetry of order 4 © T

Shade this shape so that it has rotational symmetry of order 4 © T Madas

© T Madas

© T Madas

Complete each shape so it has rotational symmetry of order 2 about the given

Complete each shape so it has rotational symmetry of order 2 about the given point. 1 4 2 3 5 6 © T Madas

Complete each shape so it has rotational symmetry of order 4 about the given

Complete each shape so it has rotational symmetry of order 4 about the given point. 1 4 2 3 5 6 © T Madas

Shade some of the squares in the following two grids so that the resulting

Shade some of the squares in the following two grids so that the resulting pattern has order of rotational symmetry of 4. © T Madas

© T Madas

© T Madas

Part of a shape is drawn on this grid. The shape has rotational symmetry

Part of a shape is drawn on this grid. The shape has rotational symmetry of order 4, about the point P. Complete the shape. P © T Madas

© T Madas

© T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 3 2 4 © T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 3 2 4 © T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 2 Order 3 3 4 © T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 2 Order 3 3 4 © T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 2 Order 3 3 4 Order 1 © T Madas

a) b) Mark all the lines of symmetry on each shape. For the shapes

a) b) Mark all the lines of symmetry on each shape. For the shapes that have rotational symmetry, write down its order. 1 2 Order 3 3 4 Order 1 © T Madas

© T Madas

© T Madas

1. 2. A D Look at the shapes labelled as A to F Write

1. 2. A D Look at the shapes labelled as A to F Write the letter of the shapes that have 2 lines of symmetry. Write the letter of the shapes that have rotational symmetry of order 2. B E C F © T Madas

1. 2. A D Look at the shapes labelled as A to F Write

1. 2. A D Look at the shapes labelled as A to F Write the letter of the shapes that have 2 lines of symmetry. Write the letter of the shapes that have rotational symmetry of order 2. B E C F © T Madas

© T Madas

© T Madas

Four road signs are shown below. 1. Write down the letter of the two

Four road signs are shown below. 1. Write down the letter of the two signs that have one line of symmetry. 2. Write down the letter of the sign that has rotational symmetry and state the order of this symmetry. A B C D © T Madas

Four road signs are shown below. 1. Write down the letter of the two

Four road signs are shown below. 1. Write down the letter of the two signs that have one line of symmetry. 2. Write down the letter of the sign that has rotational symmetry and state the order of this symmetry. A B C D Order 3 © T Madas

© T Madas

© T Madas