Keystones — Capstone
Five GCSE retrieval questions · 13 January 2024 · 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
Expand: 5(6x - 2)
Answer: 30x - 10 -
3. Geometry
Adjacent = 14cm, hypotenuse = 33cm. Find the angle
Answer: 64.9° -
4. Ratio
Calculate 19.5% of 446
Answer: 86.97 -
5. Statistics
The mean of 6 numbers is 28. If 5 of them are 16, 25, 32, 50, 26, what is the missing number?
Answer: 19