Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 26
Answer: 69 + 26 = 95 -
2. Algebra Substitution
If x = 10, find the value of 3x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 15, 5, 17, 18
Answer: 13.75