2D shapes

Symmetry

Name: ______________________________Date: ______________Score: ______ / 20

1.
A line of symmetry folds a shape into two halves that...?
1. Amatch exactly (mirror images)
2. Bare different sizes
3. Care both circles
2.
A line of symmetry that goes corner to corner at a slant is...?
1. Adiagonal
2. Bvertical
3. Chorizontal
3.
How many lines of symmetry does a rectangle (not a square) have?
4.
How many lines of symmetry does a regular hexagon have?
5.
If a shape can be folded in half exactly onto itself along a line, that line is a line of symmetry.
True False
6.
A regular octagon has 8 lines of symmetry.
True False
7.
When checking for lines of symmetry, you should look for a vertical line, a horizontal line and the two...?
1. Adiagonal lines
2. Bcurved lines
3. Cnumber lines
8.
A parallelogram with slanted sides that are not all the same length has no lines of symmetry.
True False
9.
A shape can have more than one line of symmetry.
True False
10.
A regular hexagon has 5 lines of symmetry.
True False
11.
Put these shapes in order by number of lines of symmetry, fewest first.
Write the order (fewest lines of symmetry to most) in the boxes:
- ?equilateral triangle
- ?rectangle
- ?square
12.
A line of symmetry can be vertical, horizontal or diagonal.
True False
13.
For a regular polygon, the number of lines of symmetry equals the number of sides.
True False
14.
The two halves on each side of a line of symmetry are mirror images.
True False
15.
How many lines of symmetry does a scalene triangle have?
16.
Which shape has more lines of symmetry, a rectangle or an isosceles triangle?
1. Arectangle
2. Bisosceles triangle
17.
An equilateral triangle has 3 lines of symmetry.
True False
18.
Which shape has more lines of symmetry, an isosceles triangle or a rectangle?
1. Aisosceles triangle
2. Brectangle
19.
A square has 3 lines of symmetry.
True False
20.
Which shape has more lines of symmetry, a square or a rectangle?
1. Asquare
2. Brectangle

Answer key

2D shapes — Symmetry

1.A. match exactly (mirror images)
2.A. diagonal
3.2
4.6
5.True
6.True
7.A. diagonal lines
8.True
9.True
10.False
11.rectangle, equilateral triangle, square
12.True
13.True
14.True
15.0
16.A. rectangle
17.True
18.B. rectangle
19.False
20.A. square