# Rational and irrational numbers

In this lesson, we will explore the concept of rationality and irrationality in numbers, and learn how to classify rational and irrational numbers.

# 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:

# Rational and irrational numbers:

Exit Quiz

Q1.All integers are rational numbers

1/7

Q2.Recurring decimals such as 0.3333.... are considered as irrational numbers.

2/7

Q3.Which of these is an irrational number?

3/7

Q4.Which of these is an irrational number?

4/7

Q5.All rational numbers can be written as a fraction.

5/7

Q6.The square root of all square numbers are irrational numbers.

6/7

Q7.Which of these is a rational number?

7/7

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

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

# Rational and irrational numbers:

Exit Quiz

Q1.All integers are rational numbers

1/7

Q2.Recurring decimals such as 0.3333.... are considered as irrational numbers.

2/7

Q3.Which of these is an irrational number?

3/7

Q4.Which of these is an irrational number?

4/7

Q5.All rational numbers can be written as a fraction.

5/7

Q6.The square root of all square numbers are irrational numbers.

6/7

Q7.Which of these is a rational number?

7/7

# Lesson summary: Rational and irrational numbers

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga