Keystones — Capstone
Five GCSE retrieval questions · 6 April 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
Solve: x⁄2 = 11
Answer: x = 22 -
3. Geometry
Adjacent = 17cm, hypotenuse = 34cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 32. If 4 of them are 42, 17, 50, 21, what is the missing number?
Answer: 30