Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 9 + 3
Answer: 12 -
2. Algebra Two-step equations
Solve: 6x + 11 = 47
Answer: x = 6 -
3. Geometry Converting units of time
Convert 10 minutes to seconds
Answer: 600 seconds -
4. Ratio Writing a ratio as 1 : n
Write 8:24 in the form 1:n
Answer: 1:3 -
5. Statistics Range
Find the range of: 17, 17, 10, 26, 20
Answer: 16