Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2026 · mathsvault.uk/keystones
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1. Number Converting fractions
Convert 4⁄10 to a decimal and percentage
Answer: 0.4 and 40% -
2. Algebra Collecting like terms
Simplify: 8x + 9x
Answer: 17x -
3. Geometry Converting masses
Convert 2kg to g
Answer: 2000g -
4. Ratio Ratio as a fraction
In a ratio of 1:3, what fraction is the first part?
Answer: 1⁄4 -
5. Statistics Mode
Find the mode of: 8, 9, 9, 12, 12, 9
Answer: 9