Keystones — Bedrock
Five GCSE retrieval questions · 4 January 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 99
Answer: 84 + 99 = 183 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 8, 5, 10, 8
Answer: 7.75