Keystones — Capstone
Five GCSE retrieval questions · 30 October 2021 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Simplify: 9x - 7x + 9y - 2y
Answer: 2x + 7y -
3. Geometry
Adjacent = 25cm, hypotenuse = 40cm. Find the angle
Answer: 51.3° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄10