Keystones — Capstone
Five GCSE retrieval questions · 15 June 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Factorise fully: 30x² + 35x
Answer: 5x(6x + 7) -
3. Geometry
Adjacent = 30cm, hypotenuse = 48cm. Find the angle
Answer: 51.3° -
4. Ratio
Calculate 37% of 940
Answer: 347.8 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 42, 35, 28, 19, what is the missing number?
Answer: 71