Keystones — Capstone
Five GCSE retrieval questions · 6 July 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Factorise fully: 21x² + 6x
Answer: 3x(7x + 2) -
3. Geometry
Adjacent = 18cm, hypotenuse = 34cm. Find the angle
Answer: 58° -
4. Ratio
Calculate 41.9% of 956
Answer: 400.56 -
5. Statistics
A spinner has 5 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄16