Keystones — Capstone
Five GCSE retrieval questions · 18 March 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Solve: x⁄2 = 4
Answer: x = 8 -
3. Geometry
Adjacent = 17cm, hypotenuse = 32cm. Find the angle
Answer: 57.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 31. If 5 of them are 23, 19, 16, 18, 45, what is the missing number?
Answer: 65