Keystones — Capstone
Five GCSE retrieval questions · 23 December 2021 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄5 = 3
Answer: x = 15 -
3. Geometry
Adjacent = 29cm, hypotenuse = 43cm. Find the angle
Answer: 47.6° -
4. Ratio
Calculate 11.7% of 876
Answer: 102.49 -
5. Statistics
The mean of 4 numbers is 36. If 3 of them are 34, 18, 38, what is the missing number?
Answer: 54