Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 30
Answer: 45 + 30 = 75 -
2. Algebra Substitution
If x = 3, find the value of 5x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 5, 3, 7, 18
Answer: 8.25