Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 54
Answer: 31 + 54 = 85 -
2. Algebra
Find the next term: 5, 9, 13, 17, ...
Answer: 21 -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics
Find the mean of: 17, 7, 20, 11
Answer: 13.75