# Flashcards - Overview of Pre-Algebra Concepts

Flashcards - Overview of Pre-Algebra Concepts
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word problems
In mathematics education, a word problem is a mathematical exercise where significant background information on the problem is presented as text rather than in mathematical notation
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Variables
In elementary mathematics, a variable is an alphabetic character representing a number, called the value of the variable, which is either arbitrary or not fully specified or unknown
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order of operations
In mathematics and computer programming, the order of operations is a collection of rules that define which procedures to perform first in order to evaluate a given mathematical expression
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order of operations
In mathematics and computer programming, the order of operations is a collection of rules that define which procedures to perform first in order to evaluate a given mathematical expression
Variables
In elementary mathematics, a variable is an alphabetic character representing a number, called the value of the variable, which is either arbitrary or not fully specified or unknown
word problems
In mathematics education, a word problem is a mathematical exercise where significant background information on the problem is presented as text rather than in mathematical notation
equation
In mathematics, an equation is a statement of an equality containing one or more variables
Mental math
Mental calculation comprises arithmetical calculations using only the human brain, with no help from calculators, computers, or pen and paper
solution
In chemistry, a solution is a homogeneous mixture composed of two or more substances
estimate
Estimation is the process of finding an estimate, or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable

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