Keystones — Capstone
Five GCSE retrieval questions · 22 February 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 105. What are the numbers?
Answer: 34, 35, and 36 -
2. Algebra
Solve: x⁄4 = 3.5
Answer: x = 14 -
3. Geometry
Adjacent = 23cm, hypotenuse = 39cm. Find the angle
Answer: 53.9° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 23. If 5 of them are 48, 16, 45, 37, 48, what is the missing number?
Answer: -56