Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 45 + 17
Answer: 45 + 17 = 62 -
2. Algebra
Simplify: 2x + 2x
Answer: 4x -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics
Find the mean of: 9, 5, 7, 17
Answer: 9.5