Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 16
Answer: 17 + 16 = 33 -
2. Algebra Substitution
If x = 5, find the value of 8x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 11, 9, 12, 5
Answer: 9.25