Keystones — Bedrock
Five GCSE retrieval questions · 29 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 44
Answer: 21 + 44 = 65 -
2. Algebra Substitution
If x = 10, find the value of 7x + 11
Answer: 81 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 8, 18, 18
Answer: 14.666666666667