Keystones — Capstone
Five GCSE retrieval questions · 19 October 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Solve: x⁄4 = 3.5
Answer: x = 14 -
3. Geometry
Find c if a = 9cm and b = 21cm in a right triangle
Answer: 22.8cm -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4