Keystones — Lintel
Five GCSE retrieval questions · 26 December 2021 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: x⁄4 = 6.5
Answer: x = 26 -
3. Geometry
Adjacent = 23cm, hypotenuse = 43cm. Find the angle
Answer: 57.7° -
4. Ratio
Calculate 47.5% of 538
Answer: 255.55 -
5. Statistics
A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3