Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2026 · mathsvault.uk/keystones
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1. Number Multiplying whole numbers
Calculate: 2 × 11
Answer: 2 × 11 = 22 -
2. Algebra One-step equations
Solve: x + 2 = 18
Answer: x = 16 -
3. Geometry Money calculations
Convert 311p to pounds
Answer: £3.11 -
4. Ratio Percentages of amounts
Calculate 10% of 173
Answer: 17.3 -
5. Statistics Simple probability
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2