Keystones — Capstone
Five GCSE retrieval questions · 24 November 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄6 + 3⁄4 + 1⁄3
Answer: 17⁄12 -
2. Algebra
Simplify: 6x - 2x + 3y - y
Answer: 4x + 2y -
3. Geometry
Adjacent = 26cm, hypotenuse = 31cm. Find the angle
Answer: 33° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 39, 15, 28, 43, 46, what is the missing number?
Answer: 27