Keystones — Capstone
Five GCSE retrieval questions · 28 April 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Simplify: 11x - 6x + 9y - 5y
Answer: 5x + 4y -
3. Geometry
Adjacent = 21cm, hypotenuse = 29cm. Find the angle
Answer: 43.6° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 24. If 4 of them are 28, 33, 38, 32, what is the missing number?
Answer: -11