Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 10
Answer: 30 + 10 = 40 -
2. Algebra Substitution
If x = 7, find the value of 3x + 10
Answer: 31 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 17, 7, 4
Answer: 9.3333333333333