This video explains what a surd is and how to find out if a root is a surd or not. It provides an introduction to understanding surds, which is crucial before studying how to manipulate surds. Practice questions are at the end of the video.

After watching this, see our video Simplifying Surds: Multiplication [ Ссылка ]

Skip to:
00:00 Introduction
00:19 What is a surd, example question
01:32 Examples of roots which are not surds
01:52 Examples of roots which are surds
02:04 Practice question


Below are some links to products we recommend:

Casio Scientific Calculator Black: [ Ссылка ]
Casio Scientific Calculator Blue: [ Ссылка ]
Casio Scientific Calculator Pink: [ Ссылка ]

An excellent book if you're teaching mathematics or helping your children:
The Elephant in the Classroom by Jo Boaler: [ Ссылка ]

Linking rods can be used for a variety of topics: [ Ссылка ]


Educational maths help videos to learn mathematics for school, exams or just general life. New videos added weekly.

LIKE AND SUBSCRIBE

Follow us:
Instagram: [ Ссылка ]
Twitter: [ Ссылка ]
Facebook: [ Ссылка ]

#surds #irrationalnumbers #roots #maths #math #mathematics #learnmath #mathhelp #mathsteachingresources #GCSE


With thanks to Mixkit for sound effects and/or music [ Ссылка ]

свернуть