Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 94
Answer: 62 + 94 = 156 -
2. Algebra Substitution
If x = 8, find the value of 5x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 7, 8, 9, 10
Answer: 10.4