Keystones — Capstone
Five GCSE retrieval questions · 15 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄3 = 12
Answer: x = 36 -
3. Geometry
Adjacent = 23cm, hypotenuse = 36cm. Find the angle
Answer: 50.3° -
4. Ratio
Calculate 35.8% of 587
Answer: 210.15 -
5. Statistics
The mean of 5 numbers is 33. If 4 of them are 39, 47, 29, 46, what is the missing number?
Answer: 4