Surds (Higher Level Only)
Subjects / Maths / Number
This title is for those sitting the Higher Level paper. It considers surds - defining what they are, how they are used and how we manipulate them within expressions or equations. A surd is the square root of a number that cannot be expressed as a whole number. We'll learn the basic rules for adding, subtracting, multiplying and dividing surds. We then move on to simplifying surds by finding the largest 'perfect' square factor. Finally, we'll consider rationalising the denominator when a calculation involves surds. This means we'll learn how to get rid of any surds that are on the bottom line of any fraction, including when the denominator has more than one term in it. You can then 'Test Yourself' on what you have learnt!
| Author: | Fiona Henry | Publisher: | GCSEPod® |
| Narrator: | Gareth Williams | ISBN: | 978-1-84906-359-3 |
| Video ISBN: | 978-1-84906-859-8 |
Chapters
- Using Surds in Calculations
- Simplifying Surds
- Test Yourself on Surds
Exam Board Relevance
- Edxcel
- AQA
- CEA
- IGCSE (EdExcel)
- OCR
- SQA
- WJEC
- IGCSE (CiE)
Includes original GCSEPod image art
Curriculum and Exam Board Information
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