Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 73
Answer: 37 + 73 = 110 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 2, 6, 9
Answer: 5.6666666666667