Keystones — Capstone
Five GCSE retrieval questions · 11 August 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: x⁄2 = 18
Answer: x = 36 -
3. Geometry
Adjacent = 13cm, hypotenuse = 27cm. Find the angle
Answer: 61.2° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 31. If 3 of them are 25, 50, 45, what is the missing number?
Answer: 4