Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 40 + 10
Answer: 40 + 10 = 50 -
2. Algebra
Find the next term: 11, 15, 19, 23, ...
Answer: 27 -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 50% of 106
Answer: 53 -
5. Statistics
Find the mean of: 20, 18, 17
Answer: 18.333333333333