Keystones — Capstone
Five GCSE retrieval questions · 16 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Simplify: 9x - 4x + 4y - y
Answer: 5x + 3y -
3. Geometry
Adjacent = 29cm, hypotenuse = 42cm. Find the angle
Answer: 46.3° -
4. Ratio
Calculate 15.9% of 277
Answer: 44.04 -
5. Statistics
The mean of 6 numbers is 33. If 5 of them are 33, 17, 49, 36, 48, what is the missing number?
Answer: 15