Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 43
Answer: 31 + 43 = 74 -
2. Algebra Substitution
If x = 9, find the value of 7x + 7
Answer: 70 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 5, 4
Answer: 4.6666666666667