Keystones — Cornerstone
Five GCSE retrieval questions · 5 November 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 84 + 83
Answer: 84 + 83 = 167 -
2. Algebra
Solve: 3x = 27
Answer: x = 9 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics
Find the mean of: 16, 3, 12, 4, 5
Answer: 8