Keystones — Capstone
Five GCSE retrieval questions · 8 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄3 = 8.3333333333333
Answer: x = 25 -
3. Geometry
Adjacent = 17cm, hypotenuse = 26cm. Find the angle
Answer: 49.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 37. If 4 of them are 23, 33, 35, 42, what is the missing number?
Answer: 52