Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 50
Answer: 55 + 50 = 105 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 3, 10, 3, 11, 13
Answer: 8