Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -4 + 0
Answer: -4 -
2. Algebra Two-step equations
Solve: 7x + 13 = 90
Answer: x = 11 -
3. Geometry Converting units of time
Convert 6 minutes to seconds
Answer: 360 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: 20, 13, 9, 10, 10
Answer: 11