Rationalise a SURD

Curriculum support20 mins£3

Key takeaways
Understand what rationalising a surd is.
To be able to understand the method.
Apply the method to rationalise a surd successfully.
Amber Ali Host: Ms Ali is a secondary school teacher in England. She has been teaching for 7 years and also has a youtube channel aimed at students to further enhance their learning experience.

Have you ever wondered how to rationalise very long numbers, for example a surd? In this class, students will be guided through what rationalising a surd is as well as learning a method to successfully rationalise a surd. Students will then apply this method to questions to help solidify their learning. This class is aimed at students in Years 7 - 11, whether you are just learning or need a refresher!

Try these Maths sessions next: Law of IndicesSolving Equations When 'x' is NegativeDifferent Types of Numbers

Safeguarding reminder:The safety of your child is of the utmost importance. All of our classes are pre-recorded to remove any concerns around live participation. For reruns of our past live classes, students' webcams and microphones were disabled and only the chat history, if participation was requested, is visible.

Suitable for:

This class is suitable for students from Year 7-11 or S1-S5. 

Class requirements:
You will need a laptop or device with internet connection to watch the class, as well as a pen and notepad for taking notes.
What to expect:

Choose your payment option


7 Day FREE Trial

Enjoy unlimited classes on a trial of our
monthly or annual plan
  • Choose from hundreds of classes
  • We’ll remind you before your trial ends
  • You’re never locked in, cancel anytime


Pay as you go

  • Make payment for this class only
  • Flexible learning on your terms
  • Rewatch this class at your leisure
Already have an account? Login
Please see our privacy policy here