Keystones — Capstone
Five GCSE retrieval questions · 13 December 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Solve: x⁄4 = 6
Answer: x = 24 -
3. Geometry
Adjacent = 25cm, hypotenuse = 42cm. Find the angle
Answer: 53.5° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 29. If 3 of them are 50, 36, 37, what is the missing number?
Answer: -7