Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2025 · mathsvault.uk/keystones
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1. Number
Round 134 to the nearest 10
Answer: 130 -
2. Algebra
Factorise: 42x + 24
Answer: 6(7x + 4) -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics
Find the median of: 15, 10, 19, 9, 7
Answer: 10