Keystones — Bedrock
Five GCSE retrieval questions · 30 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 17 + 27
Answer: 17 + 27 = 44 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics
Find the mean of: 18, 16, 8
Answer: 14