Surds GCSE questions
Surds GCSE questions with worked answers. Attempt them first, then check. Full method is on the Surds lesson.
How to use this page
Cover the answers. Write your working. Then compare. Interactive marking and a personalised plan are on ReviseEasy.
Practice questions
Cover the answers and have a go first. Worked solutions are underneath.
Simplify √18
Simplify √72
Expand (√3 + 1)(√3 − 1)
Rationalise 5 / √5
Common mistakes
- Taking √(a + b) as √a + √b — that is false.
- Forgetting to multiply the numerator when rationalising.
Answers and working
Frequently asked questions
Where is the full lesson?
See Surds: https://revise-easy.com/gcse-maths/number/surds/
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