Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: 0 + 3
Answer: 3 -
2. Algebra Two-step equations
Solve: 3x + 4 = 16
Answer: x = 4 -
3. Geometry Converting units of time
Convert 8 minutes to seconds
Answer: 480 seconds -
4. Ratio Writing a ratio as 1 : n
Write 8:24 in the form 1:n
Answer: 1:3 -
5. Statistics Range
Find the range of: 18, 9, 31, 37, 16
Answer: 28