Solving 2 step linear equations review video:

Review Video for solving 1 step linear equations by balancing:

Solving equations with algebra tiles:

Solving Equations by drawing algebra tiles:

Please see the videos below to review modeling addition/subtraction with algebra tiles and also modeling/simplifying algebraic expressions.

Adding/subtracting integers with algebra tiles:

Adding/subtracting integers by drawing algebra tiles:

Modeling and simplifying algebraic expressions with algebra tiles or by drawing algebra tiles:

Play the review game at http://bit.ly.mrweisunit1science

Video reviewing how to calculate the GCF of a algebraic expression and then how to use the distributive property to factor out the GCF.

Review Video for Finding the Greatest Common Factor (GCF) of Expressions with Variables:

All three methods are reviewed below:

GCF by listing factors:

GCF using Prime Factorization and Factor Trees:

GCF using Upside-Down Birthday Cake

Review video for applying the algebraic properties to simplify expressions is below. Please remember to use your notes and especially your notes on the four properties to assist you with completing this.