Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄8 + 3⁄8
Answer: 7⁄8 -
2. Algebra
Find the next term: 11, 14, 17, 20, ...
Answer: 23 -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics
Find the mean of: 6, 10, 16, 12
Answer: 11