Keystones — Cornerstone
Five GCSE retrieval questions · 25 November 2023 · mathsvault.uk/keystones
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1. Number
What is ∛125?
Answer: 5 -
2. Algebra
Solve: x + 15 = 32
Answer: x = 17 -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics
Calculate the mean of: 22, 31, 28, 17, 39, 47, 5
Answer: 27