# Exploring intersections

In this lesson, we will learn how to understand the properties of parallel lines.

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.

#### Unit quizzes are being retired in August 2023

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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!

Q1.A circle split into 4 equal parts would result in the equal angles around the centre point being...

1/5

Q2.If a regular octagon was split into 8 equal parts, each equal angle at the centre would be...

2/5

Q3.You are given that: a + a + a + a = 180. What is the value of a?

3/5

Q4.If I have an equilateral triangle and a square around a point, what is the remaining angle left?

4/5

Q5.If each of the angles on a straight line are 50, 60, x and y, what is x?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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!

Q1.A circle split into 4 equal parts would result in the equal angles around the centre point being...

1/5

Q2.If a regular octagon was split into 8 equal parts, each equal angle at the centre would be...

2/5

Q3.You are given that: a + a + a + a = 180. What is the value of a?

3/5

Q4.If I have an equilateral triangle and a square around a point, what is the remaining angle left?

4/5

Q5.If each of the angles on a straight line are 50, 60, x and y, what is x?

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:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# 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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Exploring intersections

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The definition of a 'parallel line' is...

1/5

Q2.Is it possible to draw a hexagon with three pairs of parallel sides?

2/5

Q3.Is it possible to draw a triangle with a pair of parallel sides?

3/5

Q4.If I draw a pair of lines and they both form a 70 degree angle with the horizontal, are they parallel?

4/5

Q5.If I draw a pair of lines and one line forms a 20 degree angle with the horizontal, and the other forms a 20.01 degree line with the horizontal, are they parallel?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Exploring intersections

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The definition of a 'parallel line' is...

1/5

Q2.Is it possible to draw a hexagon with three pairs of parallel sides?

2/5

Q3.Is it possible to draw a triangle with a pair of parallel sides?

3/5

Q4.If I draw a pair of lines and they both form a 70 degree angle with the horizontal, are they parallel?

4/5

Q5.If I draw a pair of lines and one line forms a 20 degree angle with the horizontal, and the other forms a 20.01 degree line with the horizontal, are they parallel?

5/5

# Lesson summary: Exploring intersections

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance