Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2026 · mathsvault.uk/keystones
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1. Number Multiplying whole numbers
Calculate: 4 × 2
Answer: 4 × 2 = 8 -
2. Algebra One-step equations
Solve: x + 4 = 21
Answer: x = 17 -
3. Geometry Money calculations
Convert 138p to pounds
Answer: £1.38 -
4. Ratio Percentages of amounts
Calculate 25% of 87
Answer: 21.75 -
5. Statistics Simple probability
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6