Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 43
Answer: 37 + 43 = 80 -
2. Algebra Substitution
If x = 9, find the value of 2x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 4, 17, 6, 17, 5
Answer: 9.8