Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 91
Answer: 25 + 91 = 116 -
2. Algebra Substitution
If x = 6, find the value of 4x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 5, 8, 13, 7
Answer: 8.8