Keystones — Cornerstone
Five GCSE retrieval questions · 16 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 22 + 33
Answer: 22 + 33 = 55 -
2. Algebra
Solve: x + 3 = 14
Answer: x = 11 -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics
Find the mean of: 2, 14, 18, 7, 8
Answer: 9.8