Keystones — Cornerstone
Five GCSE retrieval questions · 31 January 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 235, 248, and 54
Answer: 537 -
2. Algebra
Solve: x + 2 = 17
Answer: x = 15 -
3. Geometry
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics
Find the range of: 40, 27, 39, 14, 13
Answer: 27