Keystones — Capstone
Five GCSE retrieval questions · 3 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Simplify: 17x²y³ ÷ 4xy²
Answer: 4.25xy -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Calculate 29.3% of 789
Answer: 231.18 -
5. Statistics
The mean of 6 numbers is 29. If 5 of them are 18, 44, 36, 29, 23, what is the missing number?
Answer: 24