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Need extra help with maths?

Practice Questions and Resources

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Everything you need to master this topic.

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Workpack

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Solutions

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Level 7–9
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Key Points 

  • A surd is an irrational number written exactly.

  • Simplify surds by finding square factors.

  • Rationalise denominators when required.

  • Collect like surds when adding or subtracting.


Keywords: surds, simplifying surds, rationalising denominators, GCSE maths.

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