Keystones — Capstone
Five GCSE retrieval questions · 31 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 885
Answer: 1879 -
2. Algebra
Solve: x⁄5 = 3.2
Answer: x = 16 -
3. Geometry
Adjacent = 25cm, hypotenuse = 43cm. Find the angle
Answer: 54.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 27. If 4 of them are 45, 21, 22, 39, what is the missing number?
Answer: 8