Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 23
Answer: 13 + 23 = 36 -
2. Algebra Substitution
If x = 6, find the value of 2x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 18, 8, 2, 4
Answer: 8.8