Rational and Irrational Numbers The Real Number System Rational and Irrational Numbers

Topic I: The Real Number System

Writing Variable Expressions The Real Number System Writing Variable Expressions Objective: Interpret parts of an expression, such as terms, factors, and coefficients. Essential Question: How is an algebraic expression different from a numerical expression?

Writing Variable Expressions The Real Number System Writing Variable Expressions Vocabulary Quantity: Is anything that can be measured or counted. The quantities that change are called variables quantities. Variable: Is a symbol usually a letter, that represent the value(s) of a variable quantity. Algebraic expression: A mathematical phrase that include one or more variables.

Writing Variable Expressions The Real Number System Writing Variable Expressions Vocabulary Numerical expression: Is a mathematical phrase involving numbers and operation symbols, but not variables.

Writing Variable Expressions The Real Number System Writing Variable Expressions To translate word phrases into algebraic expressions, look for words that describe mathematical operations.

Writing Variable Expressions The Real Number System Writing Variable Expressions

Writing Variable Expressions The Real Number System Writing Variable Expressions

Writing Variable Expressions The Real Number System Writing Variable Expressions

Writing Variable Expressions The Real Number System Writing Variable Expressions

Writing Variable Expressions YOU DO – Independent Practice The Real Number System Writing Variable Expressions YOU DO – Independent Practice Writing Variable Expressions Worksheet

Writing Variable Expressions Complete Writing Variable Expressions The Real Number System Writing Variable Expressions Homework Complete Writing Variable Expressions Worksheet

Writing Variable Expressions The Real Number System Writing Variable Expressions Closure Essential Question: How is an algebraic expression different from a numerical expression?