Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2026 · mathsvault.uk/keystones
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1. Number Converting fractions
Convert 1⁄5 to a decimal and percentage
Answer: 0.2 and 20% -
2. Algebra Collecting like terms
Simplify: 9x + 9x
Answer: 18x -
3. Geometry Converting masses
Convert 2kg to g
Answer: 2000g -
4. Ratio Ratio as a fraction
In a ratio of 5:3, what fraction is the first part?
Answer: 5⁄8 -
5. Statistics Mode
Find the mode of: 10, 7, 15, 13, 15, 15
Answer: 15