Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -1 + (-1)
Answer: -2 -
2. Algebra Two-step equations
Solve: 7x + 4 = 53
Answer: x = 7 -
3. Geometry Converting units of time
Convert 2 minutes to seconds
Answer: 120 seconds -
4. Ratio Writing a ratio as 1 : n
Write 6:12 in the form 1:n
Answer: 1:2 -
5. Statistics Range
Find the range of: 29, 19, 13, 9, 9
Answer: 20