Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 37
Answer: 65 + 37 = 102 -
2. Algebra Substitution
If x = 2, find the value of 8x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 17, 13, 7
Answer: 10.75