Keystones — Capstone
Five GCSE retrieval questions · 14 December 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄2 = 17.5
Answer: x = 35 -
3. Geometry
Adjacent = 12cm, hypotenuse = 22cm. Find the angle
Answer: 56.9° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 40. If 3 of them are 20, 19, 46, what is the missing number?
Answer: 75