Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 4 + 3
Answer: 7 -
2. Algebra
Simplify: 9x + 4x
Answer: 13x -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics
Find the mean of: 10, 18, 5
Answer: 11