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What is an array in math?

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Quick Answer

In mathematics, an array is a set of numbers or objects placed in rows or columns. Arrays are often used to represent multiplication or division.

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What is an array in math?
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Full Answer

Most commonly, arrays are presented in rows and columns of dots, cubes, grids or other formats to teach students multiplication. For instance, the student might be presented with a grid containing four rows with nine columns. The student then uses the grid to determine the answer to the problem which is 4 x 9. On occasion, arrays are also used to teach addition and subtraction in elementary school classrooms. For younger students, an array may contain other objects to represent the numbers.

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