Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 84
Answer: 49 + 84 = 133 -
2. Algebra Substitution
If x = 4, find the value of 7x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 8, 6, 5, 9
Answer: 7