Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 10
Answer: 46 + 10 = 56 -
2. Algebra Substitution
If x = 8, find the value of 4x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 5, 10, 18
Answer: 10.5