Keystones — Bedrock

Five GCSE retrieval questions · 28 August 2024 · mathsvault.uk/keystones

1. Number

Simplify: 8⁵ × 8³

Answer: 8⁸
2. Algebra

Find the next term: 17, 22, 27, 32, ...

Answer: 37
3. Geometry

Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

Answer: 45° (approximately)
4. Ratio

In ratio 3:2, the difference between shares is 13. What are the shares?

Answer: 39 and 26
5. Statistics

Find the mean of: 13, 7, 17, 9

Answer: 11.5

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