Music Rhythm Fraction Bars: Black & WhiteThese fraction bars have numerous uses: from the very young student through high school. Teach rhythms with math in mind. If you have a color printer or copier, please find Music Rhythm Fractions in Color. The Music Fraction Bars can be color-coded to help aid teachers and students by printing them on various colors of cardstock.Complex rhythms coming soon! Please see our other items in the havocgirl store. Your sales are genuinely appreciated.