Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 39
Answer: 20 + 39 = 59 -
2. Algebra
Find the next term: 22, 32, 42, 52, ...
Answer: 62 -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 8, 20, 5, 11, 17
Answer: 12.2