Keystones — Cornerstone
Five GCSE retrieval questions · 29 January 2024 · mathsvault.uk/keystones
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1. Number
What is ∛27?
Answer: 3 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics
Calculate the mean of: 47, 15, 14, 50, 17, 35, 45, 28
Answer: 31.4