Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -9 + (-10)
Answer: -19 -
2. Algebra
Find the next term: 30, 39, 48, 57, ...
Answer: 66 -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics
What is the probability of rolling a 3 on a fair die?
Answer: 1⁄6