Play review game by going to: http://bit.ly/2018sciencereview

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:

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

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

All three methods are reviewed below:

GCF by listing factors:

GCF using Prime Factorization and Factor Trees:

GCF using Upside-Down Birthday Cake