Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 16
Answer: 39 + 16 = 55 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 15, 19, 4
Answer: 12.666666666667