Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 18
Answer: 36 + 18 = 54 -
2. Algebra Substitution
If x = 9, find the value of 8x + 12
Answer: 84 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 8, 14, 8, 2, 2
Answer: 6.8