Keystones — Capstone
Five GCSE retrieval questions · 18 February 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⁄5 = 4.2
Answer: x = 21 -
3. Geometry
Adjacent = 27cm, hypotenuse = 47cm. Find the angle
Answer: 54.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 35, 42, 23, what is the missing number?
Answer: 28