Mastering Math Kangaroo is recommended for students 14-15-16 years old or in grades: 9 or 10.This Math Kangaroo Webinar is distinct from the Competition held in March.Webinar study material: teacher provides material for the webinar. There is no required textbook although for extra practice at home you can watch MK video questions and solutions.Handouts for the webinars. Print before each class.- none