Keystones — Capstone
Five GCSE retrieval questions · 11 February 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Solve: x⁄6 = 3.6666666666667
Answer: x = 22 -
3. Geometry
Adjacent = 28cm, hypotenuse = 36cm. Find the angle
Answer: 38.9° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 40. If 4 of them are 28, 20, 47, 36, what is the missing number?
Answer: 69