Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 3 + (-1)
Answer: 2 -
2. Algebra Two-step equations
Solve: 6x + 10 = 76
Answer: x = 11 -
3. Geometry Converting units of time
Convert 2 minutes to seconds
Answer: 120 seconds -
4. Ratio Writing a ratio as 1 : n
Write 6:30 in the form 1:n
Answer: 1:5 -
5. Statistics Range
Find the range of: 42, 23, 33, 45, 17
Answer: 28