Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 47
Answer: 20 + 47 = 67 -
2. Algebra Substitution
If x = 8, find the value of 6x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 4, 11, 13
Answer: 8.5