Keystones — Capstone
Five GCSE retrieval questions · 10 June 2022 · 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⁄6 = 6.6666666666667
Answer: x = 40 -
3. Geometry
Adjacent = 30cm, hypotenuse = 44cm. Find the angle
Answer: 47° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 35. If 4 of them are 20, 33, 20, 37, what is the missing number?
Answer: 65