Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 22
Answer: 37 + 22 = 59 -
2. Algebra Substitution
If x = 3, find the value of 8x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 7, 19, 11, 18
Answer: 13.6