Keystones — Bedrock

Five GCSE retrieval questions · 16 June 2022 · mathsvault.uk/keystones

1. Number

Simplify: 7⁵ × 7³

Answer: 7⁸
2. Algebra

Find the next term: 14, 23, 32, 41, ...

Answer: 50
3. Geometry

Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

Answer: 60° (approximately)
4. Ratio

In ratio 3:2, the difference between shares is 58. What are the shares?

Answer: 174 and 116
5. Statistics

Find the mean of: 11, 3, 17

Answer: 10.333333333333

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