Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2026 · mathsvault.uk/keystones
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1. Number Multiplying whole numbers
Multiply: 21 × 7
Answer: 21 × 7 = 147 -
2. Algebra One-step equations
Solve: x + 4 = 18
Answer: x = 14 -
3. Geometry Money calculations
Convert 140p to pounds
Answer: £1.40 -
4. Ratio Percentages of amounts
Calculate 10% of 67
Answer: 6.7 -
5. Statistics Simple probability
A bag has 4 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄3