Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 9 + 9
Answer: 18 -
2. Algebra Two-step equations
Solve: 3x + 10 = 19
Answer: x = 3 -
3. Geometry Converting units of time
Convert 7 minutes to seconds
Answer: 420 seconds -
4. Ratio Writing a ratio as 1 : n
Write 8:32 in the form 1:n
Answer: 1:4 -
5. Statistics Range
Find the range of: 21, 8, 17, 21, 23
Answer: 15