Apply the Properties of Quadrilaterals Worksheet

quadbike

Ever ridden one of these? I would love to have a go on a quad bike.

Did you know that quad means four?

Quad bike, quadruplets, etc

This means that any four sided shape is called a quadrilateral.

There are several quadrilaterals but each have different properties (facts). Lets see

And finally - angles in a quadrilateral add up to 180°

Okay time to see what we know

Trapezium

Which of these statements is true

	True	False
There is one pair of parallel sides and 1 line of symmetry
There is 1 pair of parallel sides and 0 lines of symmetry

How many lines of symmetry does this quadrilateral have?

Which statements is true of this shape?

girl

Which quadrilateral has no lines of symmetry?

Adjacent angles of this shape add up to ?

360°

270°

180°

90°

Boy

Which quadrilateral has 1 line of symmetry and opposite equal angles?

Trapezium

Rhombus

Rectangle

Kite

Three angles of a quadrilateral are 75°, 120°, 98°.

What is the size of the missing angle?

Write your answer in figures without the units.

question

Match up the statement to the shape

Column A	Column B
Adjacent sides add up to 180°	Kite
There are 4 equal angles and four lines of symmetr...	Square
There is 1 line of symmetry and one pair of opposi...	Parallelogram
There is one set of parallel sides	Trapezium

More match up

Column A	Column B
There are 1 or 0 lines of symmetry	Trapezium
Rotational symmetry order 4	Square
Rotational symmetry order 2	Parallelogram
No rotational symmetry	Rectangle

ANSWERS

Question 1

Trapezium

Which of these statements is true

CORRECT ANSWER

	True	False
There is one pair of parallel sides and 1 line of symmetry
There is 1 pair of parallel sides and 0 lines of symmetry

EDDIE SAYS

The trapezium, this can be the awkward one. If it is irregular like this one then there is no symmetry. The only thing for certain is that there is one set of parallel sides.

ANSWERS

Question 2

How many lines of symmetry does this quadrilateral have?

CORRECT ANSWER

2

EDDIE SAYS

Why was your teacher late to class today? They took the rhombus. This shape often gets mixed up with the square, but their properties are quite different. The only thing they have in common is that four sides are equal.

ANSWERS

Question 3

Which statements is true of this shape?

CORRECT ANSWER

EDDIE SAYS

So much to learn, so little time. This one often gets mixed up with the rectangle but it is quite different. The parallel sides are easy to spot, but the angle properties are the tricky one. The opposite angles are the ones opposite each other on the diagonal.

ANSWERS

Question 4

girl

Which quadrilateral has no lines of symmetry?

CORRECT ANSWER

irregular trapezium

EDDIE SAYS

Because you can have regular and irregular shapes you have to be careful not to think the properties are the same for both. Irregular shapes don't have lines of symmetry. The clue is in the title.... irregular

ANSWERS

Question 5

Adjacent angles of this shape add up to ?

CORRECT ANSWER

180°

EDDIE SAYS

The adjacent angles are the ones opposite each other (not on the diagonal). These add up to 180° So when you are given one, the other is easy to work out. Just how I like it.

ANSWERS

Question 6

Boy

Which quadrilateral has 1 line of symmetry and opposite equal angles?

CORRECT ANSWER

Kite

EDDIE SAYS

Are you flying high on these now? This is probably the simplest one to remember. I think of the basic kite I had as a child and the tail coming out of the bottom is the one line of symmetry.

ANSWERS

Question 7

Three angles of a quadrilateral are 75°, 120°, 98°.

What is the size of the missing angle?

Write your answer in figures without the units.

CORRECT ANSWER

67

EDDIE SAYS

This is just one of the facts that we have to learn in maths. Angles in a quadrilateral add up to 360°. 360 - 75 - 120 - 98 = 67°

ANSWERS

Question 8

question

CORRECT ANSWER

EDDIE SAYS

Are you able to separate this from a square? These two often get mixed up but the square also has symmetry on the diagonals but the rectangle doesn't.

ANSWERS

Question 9

Match up the statement to the shape

CORRECT ANSWER

Column A	Column B
Adjacent sides add up to 180°	Parallelogram
There are 4 equal angles and four...	Square
There is 1 line of symmetry and o...	Kite
There is one set of parallel side...	Trapezium

EDDIE SAYS

Sometimes you don't need to know all of the properties. Sometimes you are given one or two which is often the clue to working out further problems. If you are not given a picture remember, if in doubt sketch it out.

ANSWERS

Question 10

More match up

CORRECT ANSWER

Column A	Column B
There are 1 or 0 lines of symmetr...	Trapezium
Rotational symmetry order 4	Square
Rotational symmetry order 2	Rectangle
No rotational symmetry	Parallelogram

EDDIE SAYS

Did this get you in a spin? Sometimes rotational symmetry is the hardest to spot. How many times does the shape fit into itself if you turn it 360° from its centre. Quite often it is the parallelogram that causes problems, because it looks like a wonky rectangle people think there is two. Try it, the shape doesn't fit into itself when you turn it.