Keystones — Capstone
Five GCSE retrieval questions · 7 July 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: x⁄8 = 4.875
Answer: x = 39 -
3. Geometry
Adjacent = 16cm, hypotenuse = 32cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 23. If 4 of them are 37, 16, 29, 29, what is the missing number?
Answer: 4