Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 71 + 45
Answer: 71 + 45 = 116 -
2. Algebra
Simplify: 5x + 8x
Answer: 13x -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics
Find the mean of: 20, 19, 13, 12
Answer: 16