Keystones — Capstone
Five GCSE retrieval questions · 16 November 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄3 = 7.6666666666667
Answer: x = 23 -
3. Geometry
Adjacent = 21cm, hypotenuse = 32cm. Find the angle
Answer: 49° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 36. If 4 of them are 46, 27, 38, 38, what is the missing number?
Answer: 31