Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 42 + 89
Answer: 42 + 89 = 131 -
2. Algebra
Find the next term: 21, 27, 33, 39, ...
Answer: 45 -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 10% of 132
Answer: 13.2 -
5. Statistics
Find the mean of: 6, 2, 8, 17
Answer: 8.25