Keystones — Capstone
Five GCSE retrieval questions · 3 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 2⁄5 + 1⁄4
Answer: 59⁄60 -
2. Algebra
Solve: x⁄8 = 1.375
Answer: x = 11 -
3. Geometry
Adjacent = 18cm, hypotenuse = 34cm. Find the angle
Answer: 58° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 40. If 3 of them are 38, 27, 38, what is the missing number?
Answer: 57