Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 43
Answer: 29 + 43 = 72 -
2. Algebra Substitution
If x = 2, find the value of 2x + 10
Answer: 14 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 10, 18, 11, 17, 8
Answer: 12.8