Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 37 + 43
Answer: 37 + 43 = 80 -
2. Algebra
Simplify: 4x + 2x
Answer: 6x -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics
Find the mean of: 20, 16, 13, 13
Answer: 15.5