Keystones — Capstone
Five GCSE retrieval questions · 17 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Solve: x⁄3 = 10.333333333333
Answer: x = 31 -
3. Geometry
Adjacent = 19cm, hypotenuse = 33cm. Find the angle
Answer: 54.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 31. If 4 of them are 26, 23, 43, 31, what is the missing number?
Answer: 32