Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 31
Answer: 31 + 31 = 62 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 18, 17, 15, 10
Answer: 15