Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 64
Answer: 74 + 64 = 138 -
2. Algebra Substitution
If x = 3, find the value of 2x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 9, 7, 6
Answer: 7.3333333333333