Spring: Tangent & Normal Lines Math Matching Game is the perfect activity for your students to sharpen their understanding of writing the equation of the line tangent or normal to a function at a given point. Functions include quadratic, cubic, rational, rational exponent, natural logarithm or exponential, and trigonometric. Thus, students must be able to find derivatives using the power rule, chain rule, and quotient rule in addition to knowing exponential, logarithmic, and trigonometric de