Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 44
Answer: 48 + 44 = 92 -
2. Algebra Substitution
If x = 6, find the value of 4x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 6, 12, 18
Answer: 13.5