Lego Fraction game: Love this example for students who are into Legos. This is a great way for students to learn commonly used fractions in an exciting way. It supports the NCTM standard of representing commonly used fractions.
This is a short video with several different clips form movies that give examples of similes. This is very effective because the movies used are popular in our age group therefore making students have more interest in watching it.
Teach vocabulary with trading cards! Could easily play this as a "Go Fish! Students write the vocabulary word and draw a picture on the front. On the back they write "stats" about the word like its definition or how to use it in a sentence.