Like this:

In exploring the site, http://mathforum.org/escotpow/puzzles/   I discovered the applet called Fractis. It opens up a game where students try to create bars by putting together fractional parts to fill up a box and earn points. One fractional part of the bar drops in and then students add fractional parts trying to equal one whole bar. If the fractions add up to one whole, the bar disappears and the player earns 10 points. They try to form as many bars as possible in 250 seconds.

My students often have difficulty trying to identify equivalent common fractions. After working with fraction tiles as a whole group and working with small groups, I would allow students to use the  applet for independent practice. When they have had time to master the game, I would then challenge them to create their own game for identifying equivalent fractions. Students could exchange games and play them. As a final step in the process students would make a journal entry in their interactive notebooks describing their steps to master the game, how they developed their own game, and then analyze their classmates’ games. I would follow up the lesson with a discussion about how the games worked to help them learn equivalent fractions.

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