Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 17 + 25
Answer: 17 + 25 = 42 -
2. Algebra
Solve: x + 15 = 31
Answer: x = 16 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics
Find the mean of: 11, 20, 3, 9
Answer: 10.75