Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 81 + 88
Answer: 81 + 88 = 169 -
2. Algebra
Simplify: 3x + 2x
Answer: 5x -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics
Find the mean of: 6, 13, 14
Answer: 11