Keystones — Capstone
Five GCSE retrieval questions · 20 October 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: x⁄4 = 1.75
Answer: x = 7 -
3. Geometry
Adjacent = 13cm, hypotenuse = 31cm. Find the angle
Answer: 65.2° -
4. Ratio
Calculate 35.2% of 997
Answer: 350.94 -
5. Statistics
The mean of 4 numbers is 39. If 3 of them are 43, 34, 24, what is the missing number?
Answer: 55