Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 54
Answer: 38 + 54 = 92 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 9, 17, 2, 8
Answer: 9