Techtivities Techtivities developed in collaboration with Dan Meyer and the team at Desmos. LANDING PAGE FOR ALL 7 TECHTIVITIES. HELP STUDENTS SEE #HOWGRAPHSWORK The Cannon Man The Toy Car Ferris Wheel: Height v. Distance Ferris Wheel: Width v. Distance Ferris Wheel: Width v. Height The Dynamic Tent The Changing Kite