Warm up Match each of the phrases with its appropriate operation Warm up Match each of the phrases with its appropriate operation. Operations may be matched more than one. More than Decreased by Product Quotient Less than Times Total Divided by Addition Subtraction Multiplication Division

Addition Phrases More than Increase by Greater than Add Total Plus Sum Subtraction Phrases Decreased by Difference Take Away Less than Subtract minus

Multiplication Phrases Product Times Multiply Twice or double Triple Division Phrases Quotient Divide Divided by Half Evenly Shared

Review Addition (+) Subtraction (-) Multiplication (x) Division (÷)

“Equal to” Phrases Is Are Totals Was Were Same as Will be

Other Key Terms Algebraic expression- expression built up from numbers and symbols . The following is an example of an algebraic expression. 2x-1

5-2a Variable A letter that is used to represent an unknown number. ‘a’ is the variable in the following algebraic expression. 5-2a

There are two terms in this algebraic expression. A number, variable, product, or quotient in an expression separated by addition or subtraction. There are two terms in this algebraic expression. 3n + 5

4x+5 Coefficient A number in a term in front of a variable. 4 is the coefficient in the following algebraic expression. 4x+5

Let’s Define Algebraic Expressions Again! Algebraic expressions are built up of coefficients, variables, terms, and operational symbols. 2 x – 1 Coefficient Operation Variable Constant