Keystones — Cornerstone

Five GCSE retrieval questions · 3 June 2026 · mathsvault.uk/keystones

1. Number

Add: ⁶⁄₇ + ³⁄₄

Answer: ⁴⁵⁄₂₈
2. Algebra

Solve: 6x = 66

Answer: x = 11
3. Geometry

Opposite = 15cm, adjacent = 8cm. Calculate the angle

Answer: 61.9°
4. Ratio

Simplify the ratio 4:14

Answer: 2:7
5. Statistics

Find the range of: 32, 15, 38, 34, 21

Answer: 23

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