Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 9 + (-4)
Answer: 5 -
2. Algebra Two-step equations
Solve: 7x + 6 = 76
Answer: x = 10 -
3. Geometry Converting units of time
Convert 3 minutes to seconds
Answer: 180 seconds -
4. Ratio Writing a ratio as 1 : n
Write 3:12 in the form 1:n
Answer: 1:4 -
5. Statistics Range
Find the range of: 29, 10, 38, 9, 29
Answer: 29