Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 63
Answer: 64 + 63 = 127 -
2. Algebra
Find the next term: 17, 23, 29, 35, ...
Answer: 41 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6