In math, "model" can be either a noun or a verb is used to refer to how strict mathematics can be used in real-world applications. Mathematical models often involve both equations and graphical representations of a problem, often a word problem, that would occur in real life. These types of problems are common for students going into engineering or other physics-related industries.
Because they are based on real-world problems, mathematical models are often referred to collectively as applied mathematics. These models generally involve geometry, trigonometry and calculus, depending on the grade level. In the real world outside of academia, computers are often used to generate models.