Calculating angles within a shape 3

In this lesson we will learn about parallel lines, their angles and how we can use this information within composite shapes

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What type of quadrilateral has 4 equal sides and 4 equal angles?

1/5

Q2.What type of quadrilateral has 4 equal sides and 2 pairs of parallel sides?

2/5

Q3.What type of quadrilateral has 2 pairs of equal angles and 2 pairs of equal parallel sides?

3/5

Q4.What do angles inside a quadrilateral add up to?

4/5

Q5.What is the size of the missing angle in this quadrilateral with angles: 90°, 120°, 40°, ?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What type of quadrilateral has 4 equal sides and 4 equal angles?

1/5

Q2.What type of quadrilateral has 4 equal sides and 2 pairs of parallel sides?

2/5

Q3.What type of quadrilateral has 2 pairs of equal angles and 2 pairs of equal parallel sides?

3/5

Q4.What do angles inside a quadrilateral add up to?

4/5

Q5.What is the size of the missing angle in this quadrilateral with angles: 90°, 120°, 40°, ?

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculating angles within a shape 3: parallel lines

parallel lines

Question 1

Question 2

Question 3

Q1.How many parallel lines are in a trapezium

1/3

Q2.Is this statement true always, sometimes or never? "A parallelogram has right angles"

2/3

Q3.In this parallelogram (30°, 150°,30°,?°) is this missing angle acute, obtuse reflex or a right angle?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculating angles within a shape 3: parallel lines

parallel lines

Question 1

Question 2

Question 3

Q1.How many parallel lines are in a trapezium

1/3

Q2.Is this statement true always, sometimes or never? "A parallelogram has right angles"

2/3

Q3.In this parallelogram (30°, 150°,30°,?°) is this missing angle acute, obtuse reflex or a right angle?

3/3

Lesson summary: Calculating angles within a shape 3

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