Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 59
Answer: 72 + 59 = 131 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 15, 6, 5
Answer: 8.6666666666667