Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 30
Answer: 11 + 30 = 41 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 6, 8, 14, 13
Answer: 9.2