# Solve problems involving the relative size of two quantities (Part 1)

In this lesson, we will solve problems involving the relative size of two quantities.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

## Question 3

Q1.Square B is an enlargement of square A. What is the scale factor of this enlargement?

1/3

Q2.Triangle B is an enlargement of triangle A. What is the scale factor of this enlargement?

2/3

Q3.Rectangle A has been enlarged by scale factor 6. What is the missing dimension on rectangle B?

3/3

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letâ€™s see what you can remember from this topic. Hereâ€™s a quick quiz!

## Question 3

Q1.Square B is an enlargement of square A. What is the scale factor of this enlargement?

1/3

Q2.Triangle B is an enlargement of triangle A. What is the scale factor of this enlargement?

2/3

Q3.Rectangle A has been enlarged by scale factor 6. What is the missing dimension on rectangle B?

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 â€˜Resume Videoâ€™ 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 â€˜Nextâ€™ below.

Quiz:

# Solve problems involving the relative size of two quantities - Quiz

Donâ€™t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 4

Q1.Enlarge 12 by scale factor 1/4.

1/4

Q2.Enlarge 30 by scale factor 1/6.

2/4

Q3.Enlarge 2.5 by scale factor 7.

3/4

Q4.Enlarge 4.8 by scale factor 1/2.

4/4

Quiz:

# Solve problems involving the relative size of two quantities - Quiz

Donâ€™t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 4

Q1.Enlarge 12 by scale factor 1/4.

1/4

Q2.Enlarge 30 by scale factor 1/6.

2/4

Q3.Enlarge 2.5 by scale factor 7.

3/4

Q4.Enlarge 4.8 by scale factor 1/2.

4/4

# Lesson summary: Solve problems involving the relative size of two quantities (Part 1)

### Time to move!

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