# Venn Diagram and probability

In this lesson, we will look at finding the probability of events happening from Venn diagrams. We will also briefly look at probability trees and how we can fill in a Venn diagram from the information on a probability tree.

#### 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.

1/7

Q2.Simplify

2/7

Q3.

3/7

Q4.

4/7

Q5.

5/7

Q6.

6/7

Q7.

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.

1/7

Q2.Simplify

2/7

Q3.

3/7

Q4.

4/7

Q5.

5/7

Q6.

6/7

Q7.

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:

# Venn diagrams and probability Quiz

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

Q1.Katie has a set of 20 cards numbered 1 to 20. She chooses a card at random. What is the probability that the card she chooses is a square number or a factor of 2?

1/6

Q2.

2/6

Q3.A person is chosen at random. Find the probability that this person does not belong to a badminton club.

3/6

Q4.A person is chosen at random. Find the probability that this person belongs to a tennis club but not a badminton club.

4/6

Q5.Katie has a set of 15 cards numbered 1 to 15. She chooses a card at random. What is the probability that the card she chooses is an odd number or a square number?

5/6

Q6.Simi has a set of 10 cards numbered 1 to 10. She chooses a card at random. What is the probability that the card she chooses is prime or even?

6/6

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

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

# Venn diagrams and probability Quiz

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

Q1.Katie has a set of 20 cards numbered 1 to 20. She chooses a card at random. What is the probability that the card she chooses is a square number or a factor of 2?

1/6

Q2.

2/6

Q3.A person is chosen at random. Find the probability that this person does not belong to a badminton club.

3/6

Q4.A person is chosen at random. Find the probability that this person belongs to a tennis club but not a badminton club.

4/6

Q5.Katie has a set of 15 cards numbered 1 to 15. She chooses a card at random. What is the probability that the card she chooses is an odd number or a square number?

5/6

Q6.Simi has a set of 10 cards numbered 1 to 10. She chooses a card at random. What is the probability that the card she chooses is prime or even?

6/6

# Lesson summary: Venn Diagram and probability

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga