Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 48
Answer: 30 + 48 = 78 -
2. Algebra
Simplify: 2x + 4x
Answer: 6x -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics
Find the mean of: 4, 19, 18, 4, 10
Answer: 11