Keystones — Bedrock
Five GCSE retrieval questions · 27 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 92
Answer: 57 + 92 = 149 -
2. Algebra Substitution
If x = 7, find the value of 8x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 13, 12, 3
Answer: 9