A number model is a sentence that shows how a series of numbers are related. An example of a basic number model could be 12+3=15. A number model is an equation that incorporates addition, subtraction, multiplication and division, which are used singularly or together.Click to see full answer. Subsequently, one may also ask, what is the number model in math?A number model in math is a sentence that illustrates how the parts of a number story are related. The equation may include addition, subtraction, division and multiplication and may be expressed as words or in number form. Number models expressed in number form include 6 + 7 = 13, 12 * 6 = 72 and 24 / 3 = 8.Additionally, what is a number sentence example? Similarly, a number sentence is a group of numbers that includes a mathematical operation — think of addition, subtraction, multiplication, or division — along with either an inequality (< or >) or an equal sign. And, just like a written sentence, it tells a fact. For example: 1 + 1 = 2. Similarly, it is asked, what does a model mean in math? A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling. A model may help to explain a system and to study the effects of different components, and to make predictions about behaviour.What’s a number story?A number story is a short story that illustrates a math equation, making it easier for young students to understand the equation involved. Some examples of number stories include: There were two children at home and then one went out to play.