Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 36
Answer: 43 + 36 = 79 -
2. Algebra Substitution
If x = 2, find the value of 2x + 3
Answer: 7 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 6, 12, 15
Answer: 11