Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 38
Answer: 19 + 38 = 57 -
2. Algebra Substitution
If x = 7, find the value of 6x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 13, 13, 3, 8
Answer: 8.6