Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: -1 + 7
Answer: 6 -
2. Algebra
Find the next term: 21, 27, 33, 39, ...
Answer: 45 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics
Find the mean of: 18, 10, 15, 17, 6
Answer: 13.2