# Identifying lines of symmetry in 2D shapes

In this lesson, we will explore the meaning of lines of symmetry and addresses common misconceptions.

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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.What is the name given to a triangle with 3 equal sides?

1/5

Q2.What is the name given to a triangle which has the following three angles: 80°, 40° and 60° ?

2/5

Q3.If a triangle has the angles of 90° and 60°, what is the third angle?

3/5

Q4.Which of these are NOT interior angles of a triangle?

4/5

Q5.A right angled triangle can also be ...

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.What is the name given to a triangle with 3 equal sides?

1/5

Q2.What is the name given to a triangle which has the following three angles: 80°, 40° and 60° ?

2/5

Q3.If a triangle has the angles of 90° and 60°, what is the third angle?

3/5

Q4.Which of these are NOT interior angles of a triangle?

4/5

Q5.A right angled triangle can also be ...

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:

# Identifying lines of symmetry in 2D shapes

Questions that test your knowledge on lines of symmetry

Q1.Which statement best describes a line of symmetry?

1/5

Q2.How many lines of symmetry does a square have?

2/5

Q3.Which of the following statements is correct?

3/5

Q4.Which of the following statements is incorrect?

4/5

Q5.Which os the statements about triangles is correct?

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:

# Identifying lines of symmetry in 2D shapes

Questions that test your knowledge on lines of symmetry

Q1.Which statement best describes a line of symmetry?

1/5

Q2.How many lines of symmetry does a square have?

2/5

Q3.Which of the following statements is correct?

3/5

Q4.Which of the following statements is incorrect?

4/5

Q5.Which os the statements about triangles is correct?

5/5

# Lesson summary: Identifying lines of symmetry in 2D shapes

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## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga