Keystones — Bedrock
Five GCSE retrieval questions · 15 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 99
Answer: 59 + 99 = 158 -
2. Algebra
Factorise: 30x + 48
Answer: 6(5x + 8) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics
Find the mean of: 6, 2, 18, 7, 7
Answer: 8