What a fun way to learn! This "Subtraction Songs" Audio CD from Educational Insights is a collection of sing-along recordings and books uses catchy tunes and rhyming lyrics as powerful 'hooks' to help students learn and retain information. Sound track teaches subtraction facts from 1-1 to 20-12. Produced by professional musicians and teachers, Audio Memory products have received widespread acclaim from parents, teachers, and students since 1984. Includes reproducible workbook. For grades 1 and above.