Keystones — Bedrock
Five GCSE retrieval questions · 1 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 23
Answer: 84 + 23 = 107 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 17, 16, 13, 18, 15
Answer: 15.8