Keystones — Capstone
Five GCSE retrieval questions · 21 March 2023 · 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
Solve: x⁄2 = 14
Answer: x = 28 -
3. Geometry
Adjacent = 20cm, hypotenuse = 40cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 36. If 5 of them are 36, 46, 38, 32, 37, what is the missing number?
Answer: 27