Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 55
Answer: 28 + 55 = 83 -
2. Algebra Substitution
If x = 5, find the value of 4x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 20, 5, 19
Answer: 13.75