Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 29
Answer: 32 + 29 = 61 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 10, 11, 6, 20
Answer: 11.75