Keystones — Capstone
Five GCSE retrieval questions · 21 November 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Expand: 2(5x - 8)
Answer: 10x - 16 -
3. Geometry
Adjacent = 15cm, hypotenuse = 27cm. Find the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 33. If 4 of them are 35, 27, 19, 45, what is the missing number?
Answer: 39