Keystones — Capstone
Five GCSE retrieval questions · 16 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Solve: x⁄5 = 5.6
Answer: x = 28 -
3. Geometry
Adjacent = 15cm, hypotenuse = 24cm. Find the angle
Answer: 51.3° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 43, 31, 43, what is the missing number?
Answer: 11