Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -2 + (-4)
Answer: -6 -
2. Algebra Two-step equations
Solve: 3x + 6 = 33
Answer: x = 9 -
3. Geometry Converting units of time
Convert 10 minutes to seconds
Answer: 600 seconds -
4. Ratio Writing a ratio as 1 : n
Write 2:6 in the form 1:n
Answer: 1:3 -
5. Statistics Range
Find the range of: 15, 24, 8, 14, 24
Answer: 16