Keystones — Capstone
Five GCSE retrieval questions · 11 August 2021 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Simplify: 5x - 4x + 8y - 7y
Answer: x + y -
3. Geometry
Adjacent = 22cm, hypotenuse = 33cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 50% of 710
Answer: 355 -
5. Statistics
The mean of 6 numbers is 25. If 5 of them are 28, 39, 44, 32, 36, what is the missing number?
Answer: -29