Keystones — Bedrock
Five GCSE retrieval questions · 8 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 17
Answer: 22 + 17 = 39 -
2. Algebra Substitution
If x = 2, find the value of 6x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 6, 2, 5
Answer: 4.3333333333333