Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 69
Answer: 51 + 69 = 120 -
2. Algebra
Simplify: 7x + 2x
Answer: 9x -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics
Find the mean of: 3, 14, 2
Answer: 6.3333333333333