Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 73
Answer: 90 + 73 = 163 -
2. Algebra Substitution
If x = 7, find the value of 8x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 14, 4, 6
Answer: 8