Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 65
Answer: 54 + 65 = 119 -
2. Algebra Substitution
If x = 9, find the value of 8x + 5
Answer: 77 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 15, 17, 5, 4
Answer: 11.2