Keystones — Capstone
Five GCSE retrieval questions · 7 November 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄3 = 8
Answer: x = 24 -
3. Geometry
Adjacent = 17cm, hypotenuse = 24cm. Find the angle
Answer: 44.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 35. If 3 of them are 21, 48, 33, what is the missing number?
Answer: 38