Keystones — Bedrock

Five GCSE retrieval questions · 11 July 2025 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₁₂ + ⁴⁄₁₂

Answer: ⁵⁄₆
2. Algebra

Find the next term: 23, 33, 43, 53, ...

Answer: 63
3. Geometry

Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

Answer: 60° (approximately)
4. Ratio

In ratio 3:1, the difference between shares is 96. What are the shares?

Answer: 144 and 48
5. Statistics

Find the range of: 24, 15, 12, 9, 9

Answer: 15

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