Keystones — Capstone
Five GCSE retrieval questions · 4 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄2 = 8
Answer: x = 16 -
3. Geometry
Adjacent = 28cm, hypotenuse = 34cm. Find the angle
Answer: 34.6° -
4. Ratio
Calculate 28.1% of 385
Answer: 108.19 -
5. Statistics
The mean of 5 numbers is 32. If 4 of them are 30, 25, 21, 48, what is the missing number?
Answer: 36