Keystones — Capstone
Five GCSE retrieval questions · 1 October 2021 · 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⁄2 = 14
Answer: x = 28 -
3. Geometry
Find c if a = 20cm and b = 23cm in a right triangle
Answer: 30.5cm -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄12