The cost to invest in a Mathnasium franchise ranges between $112,750-$149,110 and is a great balance between investment and opportunity. Mathnasium allows you to become your own boss, improve the lives of children and earn a great living. Prospective candidates are asked to have a minimum of $50,000 in liquid assets to qualify. If you don’t have a teaching background, you can still excel as a Mathnasium franchisee.