Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 85
Answer: 51 + 85 = 136 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 14, 9, 12, 6, 10
Answer: 10.2