Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 57
Answer: 27 + 57 = 84 -
2. Algebra Substitution
If x = 5, find the value of 3x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 5, 2, 3, 3
Answer: 6.4