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1.4: Algebraic Expressions with Fraction Bars

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Fraction Bar

A fraction bar is a line used to divide the numerator and the denominator of a fraction. The fraction bar means division.

fraction

A fraction is a part of a whole. A fraction is written mathematically as one value on top of another, separated by a fraction bar. It is also called a rational number.

Order of Operations

The order of operations specifies the order in which to perform each of multiple operations in an expression or equation. The order of operations is: P - parentheses, E - exponents, M/D - multiplication and division in order from left to right, A/S - addition and subtraction in order from left to right.

Parentheses

Parentheses "(" and ")" are used in algebraic expressions as grouping symbols.

PEMDAS

PEMDAS (Please Excuse My Daring Aunt Sally) is a mnemonic device used to help remember the order of operations: Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.

Volume

Volume is the amount of space inside the bounds of a three-dimensional object.

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Difficulty Level:
At Grade
Grades:
8 , 9
Date Created:
Feb 24, 2012
Last Modified:
Aug 17, 2016
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