Kids learn to Think Addition when learning subtraction. Fourteen songs with pop rhythms, screaming saxophone, and tight vocal harmonies result in an easy way to learn and comprehend strategies and fact families. Kids learn why the Count Down One strategy is helpful, how to make a Fact Family, and minuends 0-18. Subtraction CD/Book set includes Music CD and 24-page Activity Book with lyrics, time tests, and subtraction practice pages. Running time...