Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 8⁄12 + 3⁄12
Answer: 11⁄12 -
2. Algebra
Find the next term: 15, 23, 31, 39, ...
Answer: 47 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 28
Answer: 2.8 -
5. Statistics
Find the mean of: 20, 13, 6
Answer: 13