Keystones — Capstone
Five GCSE retrieval questions · 2 June 2022 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: x⁄5 = 2.2
Answer: x = 11 -
3. Geometry
Adjacent = 30cm, hypotenuse = 36cm. Find the angle
Answer: 33.6° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 21. If 3 of them are 29, 33, 39, what is the missing number?
Answer: -17