Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 6 + 3 × 3
Answer: 15 -
2. Algebra
Simplify: 3x + 8x
Answer: 11x -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics
Find the mean of: 8, 20, 18
Answer: 15.333333333333