Keystones — Capstone
Five GCSE retrieval questions · 4 April 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Solve: x⁄5 = 3.8
Answer: x = 19 -
3. Geometry
Adjacent = 14cm, hypotenuse = 22cm. Find the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 40. If 4 of them are 25, 22, 22, 18, what is the missing number?
Answer: 113