Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 45
Answer: 15 + 45 = 60 -
2. Algebra Substitution
If x = 10, find the value of 6x + 11
Answer: 71 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 16, 9, 4, 14, 8
Answer: 10.2