Keystones — Capstone
Five GCSE retrieval questions · 8 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄6 = 1.6666666666667
Answer: x = 10 -
3. Geometry
Adjacent = 27cm, hypotenuse = 34cm. Find the angle
Answer: 37.4° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 26. If 4 of them are 31, 47, 37, 17, what is the missing number?
Answer: -2