Using the process of elimination 10 pps

SYMBOLS OF ADDITION

In addition, the numbers being added are called addends. The result is called a sum. The symbol for addition is

called a plus sign. In the following example, 4 and 5 are addends and 9 is the sum:

4 + 5 = 9

SYMBOLS OF SUBTRACTION

In subtraction, the number being subtracted is called the subtrahend. The number being subtracted FROM is called

the minuend. The answer to a subtraction problem is called a difference. The symbol for subtraction is called a

minus sign. In the following example, 15 is the minuend, 4 is the subtrahend, and 11 is the difference:

15 – 4 = 11

SYMBOLS OF MULTIPLICATION

When two or more numbers are being multiplied, they are called factors. The answer that results is called the prod￾uct. In the following example, 5 and 6 are factors and 30 is their product:

5 6 = 30

There are several ways to represent multiplication in the above mathematical statement.

■ A dot between factors indicates multiplication:

5 • 6 = 30

■ Parentheses around any one or more factors indicate multiplication:

(5)6 = 30, 5(6) = 30, and (5)(6) = 30.

■ Multiplication is also indicated when a number is placed next to a variable: 5a = 30. In this equation,

5 is being multiplied by a.

SYMBOLS OF DIVISION

In division, the number being divided BY is called the divisor. The number being divided INTO is called the div￾idend. The answer to a division problem is called the quotient.

There are a few different ways to represent division with symbols. In each of the following equivalent

expressions, 3 is the divisor and 8 is the dividend:

8 ÷ 3, 8/3,

8

3

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–THEA MATH REVIEW–

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