Keystones — Bedrock
Five GCSE retrieval questions · 18 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 71
Answer: 54 + 71 = 125 -
2. Algebra Substitution
If x = 9, find the value of 7x + 6
Answer: 69 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 12, 17, 20, 7
Answer: 13.2