Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 40 + 28
Answer: 40 + 28 = 68 -
2. Algebra
Factorise: 30x + 30
Answer: 5(6x + 6) -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics
Find the mean of: 17, 11, 8
Answer: 12