Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 25
Answer: 76 + 25 = 101 -
2. Algebra Substitution
If x = 6, find the value of 3x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 17, 6, 11, 3
Answer: 10.4