# Enlarge an Object with a Positive Scale Factor from a Given Coordinate

In this lesson, we will enlarge objects by a given scale factor, and describe enlargements on coordinate grids.

#### 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 scale factor from triangle B to D?

1/3

Q2.What is the scale factor from triangle B to C?

2/3

Q3.Which diagram shows shape H correctly enlarged by a scale factor of 3?

3/3

#### 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 scale factor from triangle B to D?

1/3

Q2.What is the scale factor from triangle B to C?

2/3

Q3.Which diagram shows shape H correctly enlarged by a scale factor of 3?

3/3

# 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:

# Enlarge an Object with a Positive Scale Factor from a Given Coordinate

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.State the scale factor from shape C to shape D

1/4

Q2.State the scale factor from shape C to shape A.

2/4

Q3.State the centre of enlargement from shape C to D.

3/4

Q4.State the scale factor from shape A to shape B.

4/4

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

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

# Enlarge an Object with a Positive Scale Factor from a Given Coordinate

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.State the scale factor from shape C to shape D

1/4

Q2.State the scale factor from shape C to shape A.

2/4

Q3.State the centre of enlargement from shape C to D.

3/4

Q4.State the scale factor from shape A to shape B.

4/4

# Lesson summary: Enlarge an Object with a Positive Scale Factor from a Given Coordinate

## 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