Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 99
Answer: 68 + 99 = 167 -
2. Algebra
Factorise: 36x + 48
Answer: 6(6x + 8) -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics
Find the median of: 15, 8, 10, 19, 17
Answer: 15