Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 88
Answer: 83 + 88 = 171 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 8, 18, 14, 18
Answer: 13.2