Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 40
Answer: 22 + 40 = 62 -
2. Algebra Substitution
If x = 2, find the value of 5x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 13, 4, 15, 20
Answer: 10.8