Keystones — Capstone
Five GCSE retrieval questions · 29 November 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Expand: 8(7x - 10)
Answer: 56x - 80 -
3. Geometry
Adjacent = 24cm, hypotenuse = 43cm. Find the angle
Answer: 56.1° -
4. Ratio
Calculate 14.8% of 681
Answer: 100.79 -
5. Statistics
The mean of 4 numbers is 40. If 3 of them are 26, 23, 33, what is the missing number?
Answer: 78