Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 35
Answer: 30 + 35 = 65 -
2. Algebra
Expand: 5(x + 2)
Answer: 5x + 10 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics
Find the mean of: 15, 13, 11
Answer: 13