Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 16
Answer: 37 + 16 = 53 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 10, 17, 9, 4, 5
Answer: 9