Keystones — Bedrock

Five GCSE retrieval questions · 6 June 2026 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₉ + ⁶⁄₉

Answer: ⁸⁄₉
2. Algebra

Find the next term: 5, 14, 23, 32, ...

Answer: 41
3. Geometry

Opposite = 10cm, hypotenuse = 20cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 16:32

Answer: 1:2
5. Statistics

Find the mean of: 15, 18, 20, 20, 15

Answer: 17.6

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