Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -1 + 2
Answer: 1 -
2. Algebra Two-step equations
Solve: 7x + 15 = 64
Answer: x = 7 -
3. Geometry Converting units of time
Convert 7 minutes to seconds
Answer: 420 seconds -
4. Ratio Writing a ratio as 1 : n
Write 7:21 in the form 1:n
Answer: 1:3 -
5. Statistics Range
Find the range of: 35, 40, 19, 35, 34
Answer: 21