Keystones — Capstone
Five GCSE retrieval questions · 17 March 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Simplify: 6x - 5x + 7y - 5y
Answer: x + 2y -
3. Geometry
Adjacent = 29cm, hypotenuse = 34cm. Find the angle
Answer: 31.5° -
4. Ratio
Calculate 44.4% of 759
Answer: 337 -
5. Statistics
The mean of 4 numbers is 24. If 3 of them are 44, 50, 25, what is the missing number?
Answer: -23