Keystones — Cornerstone
Five GCSE retrieval questions · 7 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 90
Answer: 64 + 90 = 154 -
2. Algebra
Solve: 5x = 35
Answer: x = 7 -
3. Geometry
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio
Simplify: 20:12:16
Answer: 5:3:4 -
5. Statistics
Calculate the range of: 31, 103, 70, 71, 44, 71
Answer: 72