The purpose of this study was to investigate the effectiveness of using computerized math games to increase student math scores. This study also investigated the level of student engagement and interest in playing math games. Research in this area has been plentiful, but has yielded varying results, both in effectiveness and in student interest. Some studies have shown significant increases in math test scores after playing computerized math games whereas others have shown no little or no improvement. By the same token, studies have indicated varying levels of student interest in playing educational games that are geared toward improving test scores. Some studies have indicated that boys, for example, demonstrate more interest than do girls. This study was done with 31 fifth grade students in a mid-size town in Oregon. The students played math games from a website called powermylearning.com for nine half-hour sessions. They were given pre- and post- math tests to determine levels of improvement. Students were also given pre- and post- study surveys to indicate their level of interest in the games offered. The results of this study showed no definite gains in math test scores; observations and student surveys, however, indicated a high level of student interest in the games presented on the assigned website. The implications of this study are that more data, such as a longer testing period, might be a more definite indicator of game effectiveness.