Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 36 + 38
Answer: 36 + 38 = 74 -
2. Algebra
Factorise: 6x + 9
Answer: 3(2x + 3) -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 17, 19, 9, 20, 5
Answer: 14