Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 95
Answer: 82 + 95 = 177 -
2. Algebra Substitution
If x = 8, find the value of 3x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 16, 18, 11, 2
Answer: 11.75