Keystones — Capstone
Five GCSE retrieval questions · 26 June 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄7 = 4.8571428571429
Answer: x = 34 -
3. Geometry
Adjacent = 17cm, hypotenuse = 30cm. Find the angle
Answer: 55.5° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 30. If 4 of them are 33, 47, 33, 23, what is the missing number?
Answer: 14