Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 21
Answer: 45 + 21 = 66 -
2. Algebra Substitution
If x = 5, find the value of 3x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 6, 14, 16, 5
Answer: 11