Keystones — Capstone
Five GCSE retrieval questions · 25 September 2024 · 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⁄2 = 20
Answer: x = 40 -
3. Geometry
Adjacent = 19cm, hypotenuse = 35cm. Find the angle
Answer: 57.1° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 29. If 4 of them are 30, 36, 22, 33, what is the missing number?
Answer: 24