Keystones — Capstone
Five GCSE retrieval questions · 14 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Solve: x⁄6 = 2.3333333333333
Answer: x = 14 -
3. Geometry
Adjacent = 28cm, hypotenuse = 46cm. Find the angle
Answer: 52.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 35. If 3 of them are 20, 41, 48, what is the missing number?
Answer: 31