Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 46
Answer: 26 + 46 = 72 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 7, 17
Answer: 13.333333333333