Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 17
Answer: 48 + 17 = 65 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 7, 11, 8, 16, 7
Answer: 9.8