Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 66
Answer: 44 + 66 = 110 -
2. Algebra Substitution
If x = 9, find the value of 4x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 11, 2, 15
Answer: 9