Open Middle Challenging math problems worth solving. http://www.openmiddle.com/

Geometry: Lines in the Coordinate Plane http://www.youtube.com/watch?v=CrxtgDGmDtw

Geometry: Congruence and Transformations http://www.youtube.com/watch?v=ONjLQgFo9Fk&feature=plcp

Math 8 One-Step Equations http://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/v/one-step-equation-intuition-exercise-intro

Solving Equations with the Distributive Property http://learnzillion.com/lessons/1010-solve-linear-equations-by-using-the-distributive-property-of-equality

Solving Equations by Combining Like Terms http://learnzillion.com/lessons/1009-solve-linear-equations-by-combining-like-terms

Solving Equations with Variables on Both Sides http://learnzillion.com/lessons/1016-solving-linear-equations-with-a-variable-on-each-side

Common Core Practice http://learni.st/learnings/6158-ixl-common-core-math-standards

8th grade standards practice http://www.ixl.com/math/grade-8

8th grade practice quizzes http://www.math4children.com/eigth-grade-math-quizzes.html

8th grade common core review games http://www.mathchimp.com/8thGrade.php

Why you need to learn math? Math in Movies

Common Core Practice Buzz Math

Distributive Property Battleship Game

Up to 4 teams with integer jeopardy Integer Jeopardy

Square Root Game

Estimation 180 An estimation challenge each day building number sense. Estimation 180