Keystones — Capstone
Five GCSE retrieval questions · 23 November 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Simplify: 12x²y³ ÷ 6xy²
Answer: 2xy -
3. Geometry
Adjacent = 21cm, hypotenuse = 35cm. Find the angle
Answer: 53.1° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 27. If 5 of them are 17, 29, 48, 36, 16, what is the missing number?
Answer: 16