Enlargement by an integer scale factor

In this lesson, we will learn what is meant by enlargement and how to enlarge shapes by an integer scale factor. It would be helpful if you could have squared paper and a ruler for this lesson.

Video

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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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Enlargement by an integer scale factor quiz

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

Q1.A shape is enlarged by an integer scale factor more than 1. What does not change from the object to the image?

1/3

Q2.A square is enlarged by a scale factor of 3. The object had side length 4cm, what is side length of the image?

2/3

Q3.A regular pentagon has been enlarged by scale factor 5. The side length of the image is 35mm, what is the side length of the object?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Enlargement by an integer scale factor quiz

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

Q1.A shape is enlarged by an integer scale factor more than 1. What does not change from the object to the image?

1/3

Q2.A square is enlarged by a scale factor of 3. The object had side length 4cm, what is side length of the image?

2/3

Q3.A regular pentagon has been enlarged by scale factor 5. The side length of the image is 35mm, what is the side length of the object?

3/3

Lesson summary: Enlargement by an integer scale factor

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