Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 94
Answer: 97 + 94 = 191 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 6, 14, 12, 19, 13
Answer: 12.8