Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 79
Answer: 55 + 79 = 134 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 4, 2, 6, 9
Answer: 5.25