77thth Grade Pre-Algebra Grade Pre-Algebra

Chapter 1-4Chapter 1-4

Terms and Concepts (A)Terms and Concepts (A)

Distributive Property: the property that Distributive Property: the property that states: a(b + c) = ab + acstates: a(b + c) = ab + ac

Ex. 5(3 + 2) = 15 + 10Ex. 5(3 + 2) = 15 + 10 Term: a number, variable or Term: a number, variable or

product/quotient of numbers and variablesproduct/quotient of numbers and variablesEx. 7, t or 18xEx. 7, t or 18x

Coefficient: the numerical part of a term Coefficient: the numerical part of a term that contains a variablethat contains a variable

Like terms: terms that contain the same Like terms: terms that contain the same variablesvariables

Terms and Concepts (B)Terms and Concepts (B)

Equivalent expressions: expressions with Equivalent expressions: expressions with values that are equal for any value that the values that are equal for any value that the variables in the expression takevariables in the expression take Ex: 7x + 2x, 9xEx: 7x + 2x, 9x

Simplest form: the preferred equivalent Simplest form: the preferred equivalent expression that contains no like terms or expression that contains no like terms or parenthesisparenthesis

Class assignmentClass assignment

Work problems 1-4 on pages 19-20.Work problems 1-4 on pages 19-20.

Do problems 8-32 on page 22 (even).Do problems 8-32 on page 22 (even).

Do problems 43-48 on page 22Do problems 43-48 on page 22

Homework AssignmentHomework Assignment

Do problems 1-28 (even) on page 4 of the Do problems 1-28 (even) on page 4 of the workbook. STUDY FOR QUIZ!workbook. STUDY FOR QUIZ!