Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 40
Answer: 30 + 40 = 70 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 14, 18, 9, 6
Answer: 11.75