Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 5.8 + 9
Answer: 5.8 + 9 = 14.8 -
2. Algebra
Find the next term: 24, 27, 30, 33, ...
Answer: 36 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics
Find the mean of: 7, 2, 13, 15, 14
Answer: 10.2