Keystones — Capstone
Five GCSE retrieval questions · 14 August 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Simplify: 20x²y³ ÷ 3xy²
Answer: 6.6666666666667xy -
3. Geometry
Adjacent = 26cm, hypotenuse = 33cm. Find the angle
Answer: 38° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 24. If 4 of them are 31, 31, 31, 31, what is the missing number?
Answer: -4