Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 26
Answer: 29 + 26 = 55 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 14, 3, 19, 7
Answer: 10.75