Keystones — Capstone
Five GCSE retrieval questions · 9 August 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
Solve: x⁄2 = 11.5
Answer: x = 23 -
3. Geometry
Adjacent = 25cm, hypotenuse = 38cm. Find the angle
Answer: 48.9° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 28. If 3 of them are 44, 28, 29, what is the missing number?
Answer: 11