Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 77
Answer: 41 + 77 = 118 -
2. Algebra Substitution
If x = 7, find the value of 2x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 20, 17, 5, 7
Answer: 12.25