Writing Algebraic Expressions
http://www.math-play.com/Algebraic-Expressions-Millionaire/algebraic-expressions-millionaire.html
Recognize Like Terms
hhttp://www.mathwarehouse.com/games/our-games/like-terms-games/matching-action/
Simplify Algebraic Expressions
https://www.buzzmath.com/Docs#CC07E22279&page=1
http://www.buzzmath.com/Docs/#CC06E115
https://www.buzzmath.com/Docs#CC07E10514
Simplify Algebraic Expression with Division
https://www.buzzmath.com/Menu#id=CC07E22286
Simplify Algebraic Expressions using Distributive Property
https://www.buzzmath.com/Docs#CC07E22284
Writing Algebraic Expression in Real World Situations
http://www.buzzmath.com/Docs/#CC06E120