Keystones — Capstone
Five GCSE retrieval questions · 29 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Simplify: 6x - 2x + 6y - 4y
Answer: 4x + 2y -
3. Geometry
Adjacent = 20cm, hypotenuse = 39cm. Find the angle
Answer: 59.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 20. If 3 of them are 17, 17, 26, what is the missing number?
Answer: 20