Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 85
Answer: 63 + 85 = 148 -
2. Algebra Substitution
If x = 4, find the value of 3x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 2, 11, 18
Answer: 8.75