Keystones — Cornerstone
Five GCSE retrieval questions · 14 June 2025 · mathsvault.uk/keystones
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1. Number
What is the missing number: 38 + ? = 140
Answer: 102 -
2. Algebra
Solve: x + 9 = 21
Answer: x = 12 -
3. Geometry
Find the distance between (4, 3) and (10, 11)
Answer: 10 -
4. Ratio
Find 27% of 343
Answer: 92.61 -
5. Statistics
Find the range of: 29, 15, 13, 7, 31
Answer: 24