Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 28
Answer: 68 + 28 = 96 -
2. Algebra Substitution
If x = 6, find the value of 2x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 17, 4, 12, 16, 17
Answer: 13.2