Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 41
Answer: 48 + 41 = 89 -
2. Algebra Substitution
If x = 7, find the value of 6x + 8
Answer: 50 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 12, 11, 19, 9
Answer: 12.75