Kaltura Share to Google Classroom Information Standards Dan defines Mach number using ratios and shows how to calculate the Mach number using algebra. Standards AAPR Arithmetic with Polynomials and Rational ExpressionsAAPR.6 Apply algebraic techniques to rewrite simple rational expressions in different forms; using inspection, long division, or, for the more complicated examples, a computer algebra system. Grades: 9 10 11 12 Subjects: MathAlgebraScience Collection: Career Explorations!Science, Technology, Engineering, and MathematicsSpanish TranslationsSpanish Captions Series: NASA OnlineNASA CONNECT Math Simulations