Keystones — Capstone
Five GCSE retrieval questions · 4 June 2021 · mathsvault.uk/keystones
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1. Number
If x4 = 256, what is x?
Answer: 4 -
2. Algebra
Solve: x⁄3 = 2.3333333333333
Answer: x = 7 -
3. Geometry
Adjacent = 26cm, hypotenuse = 45cm. Find the angle
Answer: 54.7° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 28. If 3 of them are 50, 16, 24, what is the missing number?
Answer: 22