# Graphs of proportional relationships

In this lesson, we will recognise and interpret the graphical representation of a proportional relationships.

#### 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.The number of pens are directly proportional to the cost. What is the missing number?

1/7

Q2.The number of rulers are directly proportional to the cost. What is the missing number A?

2/7

Q3.The number of rulers are directly proportional to the cost. What is the missing number B?

3/7

Q4.x and y are directly proportional. What is the missing number in the box?

4/7

Q5.A shop sells ribbon for £3 per metre. The length of the ribbon is directly proportional to its cost. What is the cost of 5.5 metres?

5/7

Q6.Which description cannot go that can go in the arrow?

6/7

Q7.Which number is missing from the box?

7/7

#### 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.The number of pens are directly proportional to the cost. What is the missing number?

1/7

Q2.The number of rulers are directly proportional to the cost. What is the missing number A?

2/7

Q3.The number of rulers are directly proportional to the cost. What is the missing number B?

3/7

Q4.x and y are directly proportional. What is the missing number in the box?

4/7

Q5.A shop sells ribbon for £3 per metre. The length of the ribbon is directly proportional to its cost. What is the cost of 5.5 metres?

5/7

Q6.Which description cannot go that can go in the arrow?

6/7

Q7.Which number is missing from the box?

7/7

# 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:

# Graphs of proportional relationships.

Exit Quiz

Q1.Which graph does not show to direct proportion?

1/5

Q2.Which graph shows direct proportion?

2/5

Q3.Which table does not shows direct proportion?

3/5

Q4.Which table does not shows direct proportion?

4/5

Q5.x and y are directly proportional as shown in the graph. What is the value of y when x = 10?

5/5

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

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

# Graphs of proportional relationships.

Exit Quiz

Q1.Which graph does not show to direct proportion?

1/5

Q2.Which graph shows direct proportion?

2/5

Q3.Which table does not shows direct proportion?

3/5

Q4.Which table does not shows direct proportion?

4/5

Q5.x and y are directly proportional as shown in the graph. What is the value of y when x = 10?

5/5

# Lesson summary: Graphs of proportional relationships

## 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