Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 16 + 44
Answer: 16 + 44 = 60 -
2. Algebra
Factorise: 32x + 8
Answer: 4(8x + 2) -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics
Find the mean of: 20, 7, 4, 12, 3
Answer: 9.2