Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 29
Answer: 10 + 29 = 39 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 15, 9, 8, 4
Answer: 9