Q:
# What is a 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.

Credit:
SidewaysSarah
CC-BY 2.0

Number models expressed in number form include 6 + 7 = 13, 12 * 6 = 72 and 24 / 3 = 8. An example of a number model written in words would be, "The area of rectangle A is equal to the product of sides D and E." The same equation can be expressed in numbers as area = d * e.

Learn more about Numbers-
Q:
## What is pi in math?

A: Pi is a mathematical constant and irrational number representing the ratio of a circle's circumference to its diameter with a value of approximately 3.1416... Full Answer >Filed Under: -
Q:
## What is an array in 4th grade math?

A: An array in fourth grade math is a visual model used to help provide an understanding of multiplication concepts. For example, a multiplication problem can... Full Answer >Filed Under: -
Q:
## What is a "multiple" in math terms?

A: In math terms, a number's multiples are the product of that number and another whole number. For instance, multiples of seven include seven, 14 and 21 beca... Full Answer >Filed Under: -
Q:
## What is a factor in math?

A: In mathematics, a factor of a base number is any number that can be evenly divided into the base number. Due to this definition, a factor can only be less ... Full Answer >Filed Under: