Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 23
Answer: 84 + 23 = 107 -
2. Algebra Substitution
If x = 4, find the value of 7x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 13, 10, 19, 15
Answer: 14.25