Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 7 + (-5)
Answer: 2 -
2. Algebra Two-step equations
Solve: 7x + 13 = 62
Answer: x = 7 -
3. Geometry Converting units of time
Convert 10 minutes to seconds
Answer: 600 seconds -
4. Ratio Writing a ratio as 1 : n
Write 4:16 in the form 1:n
Answer: 1:4 -
5. Statistics Range
Find the range of: 23, 29, 21, 20, 33
Answer: 13