# To investigate a problem using symmetry (Part 1)

In this lesson, we will recap the knowledge we have developed on symmetry. We will investigate different types of shapes and patterns and use our new knowledge to solve problems based on their lines of symmetry. We will draw, investigate and justify our ideas.

#### 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.Which letter DOES have a line of symmetry?

1/5

Q2.Which letter DOES NOT have a line of symmetry?

2/5

Q3.Which shape does NOT have a line of symmetry?

3/5

Q4.How many lines of symmetry does an equilateral triangle have?

4/5

Q5.How many lines of symmetry does the number 8 have?

5/5

#### 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.Which letter DOES have a line of symmetry?

1/5

Q2.Which letter DOES NOT have a line of symmetry?

2/5

Q3.Which shape does NOT have a line of symmetry?

3/5

Q4.How many lines of symmetry does an equilateral triangle have?

4/5

Q5.How many lines of symmetry does the number 8 have?

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.

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

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

# To investigate a problem using symmetry

What do you remember?

Q1.A line of symmetry can also be called....

1/5

Q2.A regular pentagon has how many lines of symmetry?

2/5

Q3.How many lines of symmetry does this isosceles trapezium have?

3/5

Q4.Which of these numbers has 2 lines of symmetry?

4/5

Q5.Quadrilaterals have 4 lines of symmetry.

5/5

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

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

# To investigate a problem using symmetry

What do you remember?

Q1.A line of symmetry can also be called....

1/5

Q2.A regular pentagon has how many lines of symmetry?

2/5

Q3.How many lines of symmetry does this isosceles trapezium have?

3/5

Q4.Which of these numbers has 2 lines of symmetry?

4/5

Q5.Quadrilaterals have 4 lines of symmetry.

5/5

# Lesson summary: To investigate a problem using symmetry (Part 1)

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga