This product has help you improve your integral calculus classes.Bring to life the traditional practice class, homework assignment or classwork with global competency and diversity, while your students practice integral Riemann sums.Your students will solve integral Riemann sums using a puzzle, an entertaining and fun way to improve their calculus skills. You have 18 different puzzles in total (its level of difficulty increases). Each puzzle has three pieces. A complete puzzle contains the integ