Keystones — Capstone
Five GCSE retrieval questions · 24 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: x⁄4 = 10
Answer: x = 40 -
3. Geometry
Adjacent = 28cm, hypotenuse = 39cm. Find the angle
Answer: 44.1° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 24. If 3 of them are 46, 22, 15, what is the missing number?
Answer: 13