Keystones — Capstone
Five GCSE retrieval questions · 19 April 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄4 = 5.75
Answer: x = 23 -
3. Geometry
Adjacent = 22cm, hypotenuse = 33cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 29.2% of 579
Answer: 169.07 -
5. Statistics
The mean of 4 numbers is 28. If 3 of them are 34, 29, 19, what is the missing number?
Answer: 30