Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 34
Answer: 30 + 34 = 64 -
2. Algebra Substitution
If x = 3, find the value of 7x + 7
Answer: 28 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 12, 20, 9, 9
Answer: 12.5