Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 50
Answer: 63 + 50 = 113 -
2. Algebra Substitution
If x = 10, find the value of 2x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 4, 13, 14
Answer: 10.333333333333