# Combining Translations and Reflections

In this lesson, we will explore combinations of translations and reflections.

#### 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.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:

# 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.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

# 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

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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.

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

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

# Combining Translations & Reflections

Have a go at the questions below to show off what you know!

Q1.Fill in the gap: We can combine a translation and a reflection by performing one ________________ after the other.

1/5

Q2.State the coordinate of Vertex A after being translated by the written vector.

2/5

Q3.State the coordinate of the vertex A when the triangle has been reflected in the given mirror line.

3/5

Q4.Decide if this statement is true or false: Translating then reflecting is always the same as reflecting then translating.

4/5

Q5.Select ALL the transformations that would transform shape A into shape B.

Select two (2) boxes

5/5

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

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

# Combining Translations & Reflections

Have a go at the questions below to show off what you know!

Q1.Fill in the gap: We can combine a translation and a reflection by performing one ________________ after the other.

1/5

Q2.State the coordinate of Vertex A after being translated by the written vector.

2/5

Q3.State the coordinate of the vertex A when the triangle has been reflected in the given mirror line.

3/5

Q4.Decide if this statement is true or false: Translating then reflecting is always the same as reflecting then translating.

4/5

Q5.Select ALL the transformations that would transform shape A into shape B.

Select two (2) boxes

5/5

# Lesson summary: Combining Translations and Reflections

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance