Keystones — Capstone
Five GCSE retrieval questions · 11 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄8 = 3
Answer: x = 24 -
3. Geometry
Adjacent = 12cm, hypotenuse = 27cm. Find the angle
Answer: 63.6° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 30. If 3 of them are 48, 42, 31, what is the missing number?
Answer: -1