Keystones — Bedrock
Five GCSE retrieval questions · 20 October 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 17
Answer: 24 + 17 = 41 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 12, 20, 20, 14
Answer: 15.4