Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 40
Answer: 26 + 40 = 66 -
2. Algebra Substitution
If x = 6, find the value of 5x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 17, 5, 20
Answer: 14