Keystones — Capstone
Five GCSE retrieval questions · 18 June 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 105. What are the numbers?
Answer: 34, 35, and 36 -
2. Algebra
Solve: x⁄5 = 7.2
Answer: x = 36 -
3. Geometry
Adjacent = 14cm, hypotenuse = 32cm. Find the angle
Answer: 64.1° -
4. Ratio
Calculate 45.9% of 244
Answer: 112 -
5. Statistics
The mean of 5 numbers is 30. If 4 of them are 23, 18, 25, 45, what is the missing number?
Answer: 39