Calculus - Limits Task Cards Activity DIGITAL PDF AND PRINT: You will download 100 printable limits task cards for your students to practice and master how to evaluate limits. PRODUCT DESCRIPTION: Each of these 100 Limits Challenge Task Cards (print or digital) has a different approach in evaluating limits. In some cases, attempt to evaluate the limit using direct substitution will result the value of the limit as indeterminate, students will need to use factoring, simplify, rationalizing the d