The fundamental operations in mathematics are addition, subtraction, multiplication and division. There are corresponding symbols for each. The plus sign (+) is for addition. The minus sign (-) is for subtraction. The symbols “x”, “*” and “•” signify multiplication. The obelus (÷) and forward slash (/) are used for division.
Know MoreAddition combines two or more numbers to get their sum or total, while subtraction finds the difference between two quantities. Multiplication is repeated addition; one of the numbers in a multiplication equation indicates how many times the other number needs to be added to itself. Division is the inverse of multiplication.
Learn MoreIn mathematics, regrouping is the reorganization of numbers from one column to another to perform addition and subtraction equations. Typically, regrouping is referred to as “carrying” and “borrowing” a number.
Full Answer >In mathematics, the range of a set of data refers to the difference between the smallest and largest number. For the set of data 1,2,3,4,7, the range is equal to 7 minus 1 or 6.
Full Answer >From counting out exact change for a cashier to thinking in a more efficient manner, your life is riddled with mathematics. It is impressive how much math is used on a daily basis without your realizing it.
Full Answer >A rational expression in mathematics is an expression that is the ratio of two polynomials. Most often, it is expressed as a fraction, such as (x^2 + 5)/(x - 2).
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