Keystones — Cornerstone

Five GCSE retrieval questions · 11 August 2026 · mathsvault.uk/keystones

1. Number

Add: ⁷⁄₈ + ¹⁄₆

Answer: ²⁵⁄₂₄
2. Algebra

Solve: x + 2 = 7

Answer: x = 5
3. Geometry

Opposite = 12cm, adjacent = 17cm. Calculate the angle

Answer: 35.2°
4. Ratio

Simplify the ratio 6:16

Answer: 3:8
5. Statistics

Calculate the mean of: 34, 36, 44, 12, 41, 41

Answer: 34.7

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