Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 12
Answer: 35 + 12 = 47 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 18, 6, 13, 20, 8
Answer: 13