Inverse proportion

In this lesson, we will explore when two quantities are inversely proportional to each other. We will learn about the term inverse proportion and how to identify an inversely proportional relationship.

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!

Q1.1 bar of chocolate costs £2.10. How much do 3 bars of chocolate cost?

1/5

Q2.Four tickets to the cinema cost £42. How much do 8 tickets cost?

2/5

Q3.Four tickets to the cinema cost £42. How much do 9 tickets cost?

3/5

Q4.Fill in the gaps: You can use .............. .............. to work out the best value for money.

4/5

Q5.x and y are directly proportional. What happens to y if x doubles?

5/5

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!

Q1.1 bar of chocolate costs £2.10. How much do 3 bars of chocolate cost?

1/5

Q2.Four tickets to the cinema cost £42. How much do 8 tickets cost?

2/5

Q3.Four tickets to the cinema cost £42. How much do 9 tickets cost?

3/5

Q4.Fill in the gaps: You can use .............. .............. to work out the best value for money.

4/5

Q5.x and y are directly proportional. What happens to y if x doubles?

5/5

Video

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Worksheet

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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:

Inverse Proportion

Exit Quiz

Q1.Fill in the gaps: Two quantities a and b are said to be directly proportional if one quantity is always a constant ........ of the other.

1/5

Q2.Fill in the gaps: Two quantities x and y are said to be inversely proportional if x increases as y ............... at the same rate, so their product is constant.

2/5

Q3.Fill in the gaps: Two variable quantities are said to be ........................ proportional if the product of the two quantities is constant.

3/5

Q4.Three builders take 15 days to complete a project. How many days does would it take one builder?

4/5

Q5.It takes 4 friends 6 hours to clean the garden. How long will it take 2?

5/5

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:

Inverse Proportion

Exit Quiz

Q1.Fill in the gaps: Two quantities a and b are said to be directly proportional if one quantity is always a constant ........ of the other.

1/5

Q2.Fill in the gaps: Two quantities x and y are said to be inversely proportional if x increases as y ............... at the same rate, so their product is constant.

2/5

Q3.Fill in the gaps: Two variable quantities are said to be ........................ proportional if the product of the two quantities is constant.

3/5

Q4.Three builders take 15 days to complete a project. How many days does would it take one builder?

4/5

Q5.It takes 4 friends 6 hours to clean the garden. How long will it take 2?

5/5

Lesson summary: Inverse proportion

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