Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 10
Answer: 37 + 10 = 47 -
2. Algebra Substitution
If x = 5, find the value of 7x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 5, 9, 18, 5
Answer: 9.25