Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 36
Answer: 17 + 36 = 53 -
2. Algebra Substitution
If x = 10, find the value of 6x + 8
Answer: 68 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 13, 7, 2, 7, 2
Answer: 6.2