Keystones — Capstone
Five GCSE retrieval questions · 22 February 2024 · 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⁄7 = 3.2857142857143
Answer: x = 23 -
3. Geometry
Adjacent = 20cm, hypotenuse = 35cm. Find the angle
Answer: 55.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 24, 18, 27, what is the missing number?
Answer: 59