Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 26
Answer: 75 + 26 = 101 -
2. Algebra Substitution
If x = 6, find the value of 4x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 6, 7, 2, 7, 2
Answer: 4.8