Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 12
Answer: 16 + 12 = 28 -
2. Algebra Substitution
If x = 9, find the value of 6x + 6
Answer: 60 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 18, 9, 6, 19, 18
Answer: 14