Keystones — Cornerstone
Five GCSE retrieval questions · 24 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 60
Answer: 82 + 60 = 142 -
2. Algebra
Solve: x + 14 = 19
Answer: x = 5 -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics
Calculate the range of: 30, 59, 73, 91, 36, 92
Answer: 62