Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -5 + 2
Answer: -3 -
2. Algebra Two-step equations
Solve: 4x + 8 = 36
Answer: x = 7 -
3. Geometry Converting units of time
Convert 8 minutes to seconds
Answer: 480 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: 24, 9, 21, 16, 33
Answer: 24