Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2026 · mathsvault.uk/keystones
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1. Number Converting fractions
Convert 3⁄10 to a decimal and percentage
Answer: 0.3 and 30% -
2. Algebra Collecting like terms
Simplify: 9x + 2x
Answer: 11x -
3. Geometry Converting masses
Convert 5kg to g
Answer: 5000g -
4. Ratio Ratio as a fraction
In a ratio of 4:5, what fraction is the first part?
Answer: 4⁄9 -
5. Statistics Mode
Find the mode of: 15, 15, 15, 15, 13, 15
Answer: 15