Keystones — Capstone
Five GCSE retrieval questions · 10 April 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄2 = 4.5
Answer: x = 9 -
3. Geometry
Adjacent = 15cm, hypotenuse = 29cm. Find the angle
Answer: 58.9° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 35. If 3 of them are 45, 28, 30, what is the missing number?
Answer: 37