Keystones — Bedrock
Five GCSE retrieval questions · 30 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 30
Answer: 21 + 30 = 51 -
2. Algebra Substitution
If x = 5, find the value of 5x + 6
Answer: 31 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 7, 3, 3, 2
Answer: 3.75