## Exam-Style Questions on Number Surds## Problems on Number Surds adapted from questions set in previous exams. |

## 1. | GCSE Higher |

(a) Write this list of numbers in order, smallest first.

$$\sqrt{47}, \frac{22}{3}, 3.5^2, 8.64$$(b) Write \((1 + \sqrt5)^2\) in the form \(a + b\sqrt5\) .

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