Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 37
Answer: 23 + 37 = 60 -
2. Algebra Substitution
If x = 5, find the value of 2x + 5
Answer: 15 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 11, 3, 7, 20
Answer: 10.25