Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 72
Answer: 55 + 72 = 127 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 13, 14, 3
Answer: 11.75