Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 31
Answer: 95 + 31 = 126 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 2, 2, 9
Answer: 7.5