Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 33
Answer: 35 + 33 = 68 -
2. Algebra Substitution
If x = 7, find the value of 7x + 5
Answer: 54 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 19, 16, 2, 16
Answer: 13.25