Keystones — Capstone
Five GCSE retrieval questions · 4 August 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄5 = 2.4
Answer: x = 12 -
3. Geometry
Adjacent = 26cm, hypotenuse = 43cm. Find the angle
Answer: 52.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 37. If 3 of them are 46, 19, 25, what is the missing number?
Answer: 58