Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 30
Answer: 85 + 30 = 115 -
2. Algebra
Simplify: 2x + 3x
Answer: 5x -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics
Find the mean of: 12, 2, 17
Answer: 10.333333333333