Heuristic refers to a quick method that solves problems faster than detailed analysis would. Using a heuristic, the math student made an educated guess to solve the complex problem quickly.
Pro Tip 2/3
Not Always Right
Heuristics aren't perfect. They might lead to errors, but they're useful for immediate judgment. She applied a heuristic while playing chess, which cost her a piece but sped up the game.
Pro Tip 3/3
Experience-Based
Heuristics are often developed from someone's experiences and may not work in every situation. The old fisherman shared his heuristic for predicting the weather with the new crew.