Author Ed Southall of Solve My Maths shared a math problem on Twitter asking people to figure out what fraction of a square is shaded pink. Twitter users struggled to figure it out, but some got ...

Save guides, add subjects and pick up where you left off with your BBC account. Problem 5 is all about triangles and figuring out how they fit together. Maths teacher Chris Smith and pupils from ...

According to Business Insider reporter Andy Kiersz, the answer lies in figuring out the height of the pink triangle. “The key trick is that the little triangle up top is similar to the pink ...