Keystones — Capstone
Five GCSE retrieval questions · 14 September 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄6 = 4.5
Answer: x = 27 -
3. Geometry
Adjacent = 24cm, hypotenuse = 44cm. Find the angle
Answer: 56.9° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 20. If 5 of them are 29, 16, 16, 44, 39, what is the missing number?
Answer: -24