Keystones — Capstone
Five GCSE retrieval questions · 15 August 2021 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Factorise fully: 35x² + 15x
Answer: 5x(7x + 3) -
3. Geometry
Adjacent = 13cm, hypotenuse = 19cm. Find the angle
Answer: 46.8° -
4. Ratio
Calculate 24.5% of 703
Answer: 172.24 -
5. Statistics
A spinner has 2 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄11