Keystones — Bedrock
Five GCSE retrieval questions · 20 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 31
Answer: 88 + 31 = 119 -
2. Algebra Substitution
If x = 10, find the value of 2x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 12, 10, 12, 16
Answer: 12.5