Keystones — Capstone
Five GCSE retrieval questions · 23 February 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: x⁄7 = 3.1428571428571
Answer: x = 22 -
3. Geometry
Adjacent = 23cm, hypotenuse = 34cm. Find the angle
Answer: 47.4° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 29. If 3 of them are 22, 17, 26, what is the missing number?
Answer: 51