# Combining Reflections

In this lesson, we will explore when combining reflections can be written as a single transformation.

#### 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.Shape A is reflected in the line x=1. Which shape shows where the image would be?

1/5

Q2.Describe the transformation from Shape D to Shape C.

2/5

Q3.Two students are describing the transformation of Square X on to Square Y. Shivani says that it is a reflection in line 𝑥=2. Mohammed says that it is a rotation 180° about (2,2) in either direction. Who is correct?

3/5

Q4.Emmanuel claims that you can only describe the transformation of the shaded squares on to each other through translation. Is this true or false?

4/5

Q5.Select all the options below that correctly describe the single transformation from Rectangle A to Rectangle D?

Select two (2) boxes

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.Shape A is reflected in the line x=1. Which shape shows where the image would be?

1/5

Q2.Describe the transformation from Shape D to Shape C.

2/5

Q3.Two students are describing the transformation of Square X on to Square Y. Shivani says that it is a reflection in line 𝑥=2. Mohammed says that it is a rotation 180° about (2,2) in either direction. Who is correct?

3/5

Q4.Emmanuel claims that you can only describe the transformation of the shaded squares on to each other through translation. Is this true or false?

4/5

Q5.Select all the options below that correctly describe the single transformation from Rectangle A to Rectangle D?

Select two (2) boxes

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:

# Combining Reflections Quiz

Have a go at these questions.

Q1.Fill in the gap: A combination of ________ can sometimes be described by a different single transformation.

1/5

Q2.Select the option that would best fill in the gaps in ORDER: Triangle A is reflected in the line M1 to give_____. A' is then _________ in the line M2 to give ______.

2/5

Q3.A could also be mapped to A'' by what vector translation?

3/5

Q4.Triangle S is reflected in the y axis and then in x=-3. Describe the single transformation from S to the final image.

4/5

Q5.A shape in the negative quadrant has been reflected in x=6 and then reflected in x=11. Describe the single vector translation that maps the object to the final image.

5/5

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

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

# Combining Reflections Quiz

Have a go at these questions.

Q1.Fill in the gap: A combination of ________ can sometimes be described by a different single transformation.

1/5

Q2.Select the option that would best fill in the gaps in ORDER: Triangle A is reflected in the line M1 to give_____. A' is then _________ in the line M2 to give ______.

2/5

Q3.A could also be mapped to A'' by what vector translation?

3/5

Q4.Triangle S is reflected in the y axis and then in x=-3. Describe the single transformation from S to the final image.

4/5

Q5.A shape in the negative quadrant has been reflected in x=6 and then reflected in x=11. Describe the single vector translation that maps the object to the final image.

5/5

# Lesson summary: Combining Reflections

## 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