# Enlargements

In this lesson, we will learn how to draw and describe enlargements, observing the effects on the perimeters.

#### 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: 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:

# 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: 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

# 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:

# Enlargements Quiz

Have a go at the questions below!

Q1.Fill in the gap: We can enlarge shapes using a ___________.

1/8

Q2.When you enlarge a shape by a scale factor which of the following will change?

2/8

Q3.Decide if the following is true or false: An enlarged shape will always be bigger.

3/8

Q4.State the scale factor of enlargement for the transformation from A to B

4/8

Q5.State the scale factor of enlargement for the transformation from B to A

5/8

Q6.A is transformed to B. Which statement is correct?

6/8

Q7.A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 5?

7/8

Q8.A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 0.5?

8/8

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

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

# Enlargements Quiz

Have a go at the questions below!

Q1.Fill in the gap: We can enlarge shapes using a ___________.

1/8

Q2.When you enlarge a shape by a scale factor which of the following will change?

2/8

Q3.Decide if the following is true or false: An enlarged shape will always be bigger.

3/8

Q4.State the scale factor of enlargement for the transformation from A to B

4/8

Q5.State the scale factor of enlargement for the transformation from B to A

5/8

Q6.A is transformed to B. Which statement is correct?

6/8

Q7.A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 5?

7/8

Q8.A shape has a perimeter of 14 cm. What will the perimeter be after an enlargement by scale factor 0.5?

8/8

# Lesson summary: Enlargements

## 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