Video: Equations with No Solution & Identity: https://www.youtube.com/watch?v=C6XPD0AERlQ
Video: 2-step equations (Math Antics): https://www.youtube.com/watch?v=LDIiYKYvvdA
Video: Equations with variables on both sides: https://www.youtube.com/watch?v=fDMxOiS5g7k
One-step equations video: https://www.youtube.com/watch?v=sP_lJyo1U00
Solve Basic Equations: https://www.youtube.com/watch?v=l3XzepN03KQ
Solve Two-step equations: https://www.youtube.com/watch?v=F1azJEdfx5c
Translate verbal expressions to algebraic expressions: https://www.youtube.com/watch?v=KmuWR_LriQU
Term, Coefficient, & Constant: https://www.youtube.com/watch?v=W8Fdxt-ncdE
Perimeter of polygons by Combining Like Terms: https://www.youtube.com/watch?v=ysClU9k6oaU
Solve and Graph Inequalities: https://www.youtube.com/watch?v=FsrlQYXxbEQ
Practice quizzes (all topics): http://www.math4children.com/grade_7_quizzes.html