2D shapes

Rotational symmetry

Name: ______________________________Date: ______________Score: ______ / 20

1.
What does the order of rotational symmetry tell you?
1. AThe number of sides a shape has
2. BThe number of times a shape looks the same in one full turn
3. CThe number of lines of symmetry
4. DThe number of corners
2.
What is the order of rotational symmetry of a parallelogram?
3.
What is the order of rotational symmetry of an isosceles trapezium?
4.
What is the order of rotational symmetry of a kite?
5.
A parallelogram has rotational symmetry of order 2.
True False
6.
A shape with no lines of symmetry always has rotational symmetry of order 1.
True False
7.
Which shape has rotational symmetry of order 4?
1. ARectangle
2. BSquare
3. CParallelogram
4. DKite
8.
A square has rotational symmetry of order 4.
True False
9.
A square has 4 lines of symmetry. What is its order of rotational symmetry?
10.
A shape has rotational symmetry if it can be turned about a point to a new position and still look the same.
True False
11.
An isosceles trapezium looks the same only after a full turn, so it has rotational symmetry of order 1.
True False
12.
Every shape has rotational symmetry of at least order 1.
True False
13.
How many times does an equilateral triangle look the same during one full turn?
14.
A regular hexagon has rotational symmetry of order 7.
True False
15.
Which shape has more lines of symmetry, a rectangle or an equilateral triangle?
1. Arectangle
2. Bequilateral triangle
16.
Which shape has more lines of symmetry, an isosceles triangle or a regular hexagon?
1. Aisosceles triangle
2. Bregular hexagon
17.
Which shape has more lines of symmetry, a square or a regular pentagon?
1. Asquare
2. Bregular pentagon
18.
A scalene triangle has 1 lines of symmetry.
True False
19.
How many lines of symmetry does a square have?
20.
A square has 6 lines of symmetry.
True False

Answer key

2D shapes — Rotational symmetry

1.B. The number of times a shape looks the same in one full turn
2.2
3.1
4.1
5.True
6.False
7.B. Square
8.True
9.4
10.True
11.True
12.True
13.3
14.False
15.B. equilateral triangle
16.B. regular hexagon
17.B. regular pentagon
18.False
19.4
20.False