Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 41
Answer: 89 + 41 = 130 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 11, 7, 5
Answer: 7.6666666666667