Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 17 + 15
Answer: 17 + 15 = 32 -
2. Algebra
Simplify: 5x + 4x
Answer: 9x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
In ratio 7:1, the difference between shares is 150. What are the shares?
Answer: 175 and 25 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6