# Shared Flashcard Set

## Details

Unit One: Chapter One: Terms
Unit one: Number and Operations: Rational - Chapter One: Algebra: Integers
12
Mathematics
07/14/2009

Term
 algebraic expression
Definition
 a combination of variables, numbers, and at least one operation
Term
 equations
Definition
 a mathematical sentence that contains an equals sign
Term
 integers
Definition
 the set of whole numbers and their opposites
Term
 variable
Definition
 a symbol, usually a letter, used to represent a number in mathematical expressions or sentences
Term
 conjecture
Definition
 an educational guess
Term
 algebra
Definition
 the branch of mathematics that involves expressions with variables
Term
 counterexample
Definition
 a statement or example that shows a conjecture is false
Term
 evaluate
Definition
 to find the value of an expression by replacing the variables with numerals
Term
 numerical expression
Definition
 a mathematical expression that has a combination of numbers and at least one operation
Term
 order of operations
Definition
 the rules to follow when more than one operation is used in an expression
Term
 powers
Definition
 Numbers written using exponents. Powers represent repeated multiplication
Term
 property
Definition
 an open sentence that is true for any numbers
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