Solve problems involving the relative size of two quantities (Part 2)

In this lesson, we will solve problems involving the relative size of two quantities, where multi-step scaling is necessary.

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:

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.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

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:

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.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

Video

Play 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.

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:

Final Quiz

Solve problems involving the relative size of two quantities.

Q1.How much butter is needed to ice four cakes?
Buttercream Recipe

1/3

Q2.How much icing sugar is needed to ice eight cakes?

2/3

Q3.How many tablespoons of milk are needed to ice eight cakes?

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:

Final Quiz

Solve problems involving the relative size of two quantities.

Q1.How much butter is needed to ice four cakes?
Buttercream Recipe

1/3

Q2.How much icing sugar is needed to ice eight cakes?

2/3

Q3.How many tablespoons of milk are needed to ice eight cakes?

3/3

Lesson summary: Solve problems involving the relative size of two quantities (Part 2)

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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

The next lesson in:
Proportion problems
is:
Ratio problems

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