Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2026 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 17
Answer: 36 + 17 = 53 -
2. Algebra Substitution
If x = 4, find the value of 8x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 2, 16, 7, 16, 2
Answer: 8.6