01557cgm a2200445 4500 516968352 TxAuBib 20101222120000.0 101222s2007||||||||||||||||||||||v|eng|u TxAuBib Ratios, proportions, and percents [DVD] / Chalk Dust Company. EDUCATIONAL-1 disc. [S.l. : Chalk Dust Company, 2007. 1 videodisc (110 min.) : sd., col. ; 4 3/4 in. Chalk Dust Arithmetic series, The ; 4 THE CHALK DUST ARITHMETIC SERIES, v.4. MPAA rating: Not rated. Compact disc. Ratio, rates, proportions with applications, introduction to percents, percent equations. Viewers learn rations, proportions, and percents. MPAA rating: Not rated. Recommended for grades 4-6. DVD, stereo. For private home use only. 20101222. Mathematics Juvenile films. Mathematics. Ratios Study and teaching Juvenile films. Ratios. Percents Study and teaching Juvenile films. Percents. Educational films. DVD Digital Video Disc. rated: Not rated. Compact disc. Educational. The Chalk Dust Company. The Chalk Dust Arithmetic series ; 4. BTCLS