Keystones — Bedrock
Five GCSE retrieval questions · 30 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 20
Answer: 51 + 20 = 71 -
2. Algebra
Simplify: 2x + 6x
Answer: 8x -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics
Find the mean of: 19, 10, 20
Answer: 16.333333333333