Keystones — Capstone
Five GCSE retrieval questions · 18 May 2022 · 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⁄7 = 3
Answer: x = 21 -
3. Geometry
Adjacent = 19cm, hypotenuse = 29cm. Find the angle
Answer: 49.1° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 23. If 5 of them are 43, 46, 45, 24, 33, what is the missing number?
Answer: -53