Keystones — Bedrock

Five GCSE retrieval questions · 26 August 2025 · mathsvault.uk/keystones

1. Number

600000

Answer: 6 × 10⁵
2. Algebra

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

Answer: 50
3. Geometry

Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Calculate 25% of 23

Answer: 5.75
5. Statistics

Find the range of: 18, 36, 35, 18, 27

Answer: 18

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