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 types of worksheets are helpful for practicing math?

A: Helpful worksheets for practicing math depend on the child’s grade level; for example, first-graders benefit from number order and missing number worksheet... Full Answer >Filed Under: -
Q:
## What is a prime number in math?

A: A prime number in math is an integer greater than 1 that is evenly divisible by only 1 and the number itself. One is not considered a prime number, because... Full Answer >Filed Under: