Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -6 + 6
Answer: 0 -
2. Algebra Two-step equations
Solve: 4x + 9 = 53
Answer: x = 11 -
3. Geometry Converting units of time
Convert 7 minutes to seconds
Answer: 420 seconds -
4. Ratio Writing a ratio as 1 : n
Write 2:10 in the form 1:n
Answer: 1:5 -
5. Statistics Range
Find the range of: 29, 38, 28, 17, 25
Answer: 21