Keystones — Cornerstone
Five GCSE retrieval questions · 17 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 58 + 46
Answer: 58 + 46 = 104 -
2. Algebra
Solve: 4x = 12
Answer: x = 3 -
3. Geometry
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio
Simplify: 8:8:10
Answer: 4:4:5 -
5. Statistics
Find the mean of: 6, 20, 3
Answer: 9.6666666666667