JOLIET, Illinois -- A video of a rapping math teacher has gone viral. Cassie Crim is using her rapping skills to help her students learn math and motivate them, creating a video of herself remixing a ...

JOLIET, Ill. -- A video of a rapping math teacher in Joliet has gone viral. Cassie Crim is using her rapping skills to help her students learn math and motivate them, creating a video of herself ...

JOLIET, Ill. (WLS) -- A video of a rapping math teacher in Joliet has gone viral. Cassie Crim is using her rapping skills to help her students learn math and motivate them, creating a video of herself ...

JOLIET, Ill. (WLS) -- A video of a rapping math teacher in Joliet has gone viral. Cassie Crim is using her rapping skills to help her students learn math and motivate them, creating a video of herself ...