Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 63 + 77
Answer: 63 + 77 = 140 -
2. Algebra
Find the next term: 27, 34, 41, 48, ...
Answer: 55 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6