Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 40
Answer: 12 + 40 = 52 -
2. Algebra Substitution
If x = 2, find the value of 8x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 11, 13, 3
Answer: 9