Unit 2 Pre-Algebra Expressions, Equations, and Inequalities.

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Presentation transcript:

Unit 2 Pre-Algebra Expressions, Equations, and Inequalities

Expression Vocabulary Use Math Dictionary to find the definitions to the following terms.Math Dictionary 1.Expression 2.Variable 3.Co-efficient 4.Like Terms 5.Simplify 6.Commutative Property (Law) 7.Associative Property (Law) 8.Distributive Property (Law)

Writing Algebraic Expressions Steps for Writing Expressions: 1.) Read the sentence and identify key words. 2.) Write what you say, substituting numbers, variables, and operations for key words. Videos to Help! Writing Expressions Word Problems Mr. Que writing expressions. Khan Academy Into to Algebra. Click on the Writing Expressions Notes and find the template to fill out your notes. Use this PowerPoint to help you. Notes: Writing Expressions NotesWriting Expressions Notes Writing Expressions Game: IXL: S.1 and S.3S.1 and S.3 Homework: WorksheetWorksheet

Simplifying Variable Expressions Steps for Simplifying Expressions: 1.) Identify all terms. 2.) Circle or underline the term and operation. 3.) Add or subtract like terms. 4.) STOP when terms are NOT THE SAME! Videos to Help! Intro to combining like terms. CHUCK NORRIS EXPRESSIONS! LONG EXPRESSIONS SIMPLIFIED! Click on the Combining Like Terms Notes and find the template to fill out your notes. Use this PowerPoint to help you. Notes: Combining Like Terms NotesCombining Like Terms Notes Game 1 Game 2 IXL: S.10 and S.11S.10 and S.11 Homework: Worksheet 2Worksheet 2

Evaluating Variable Expressions Steps for Evaluating Expressions: 1.) Write out the expression. 2.) Substitute or replace the variable with the assigned number. 3.) Follow order of operations and solve. Videos to Help! Evaluating expressions with one variable Evaluating expressions with two variables Evaluating expressions with exponents Click on the Evaluating Expressions Notes and find the template to fill out your notes. Use this PowerPoint to help you. Notes: Evaluating Expressions Evaluating Expressions Basketball Game IXL: S.4, S.5, and S.6 Homework: WorksheetWorksheet