Keystones — Capstone
Five GCSE retrieval questions · 31 December 2021 · 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⁄8 = 3.5
Answer: x = 28 -
3. Geometry
Adjacent = 24cm, hypotenuse = 29cm. Find the angle
Answer: 34.1° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 31. If 3 of them are 35, 22, 28, what is the missing number?
Answer: 39