Keystones — Bedrock
Five GCSE retrieval questions · 19 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 49 + 23
Answer: 49 + 23 = 72 -
2. Algebra
Factorise: 10x + 30
Answer: 5(2x + 6) -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics
Find the median of: 14, 7, 17, 11, 14
Answer: 14