Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 16
Answer: 29 + 16 = 45 -
2. Algebra Substitution
If x = 9, find the value of 8x + 5
Answer: 77 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 10, 2, 17
Answer: 9.6666666666667