Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: -8 + 0
Answer: -8 -
2. Algebra
Find the next term: 16, 19, 22, 25, ...
Answer: 28 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics
Find the mean of: 3, 11, 20, 19, 5
Answer: 11.6