Intro to Relations & Functions
A variety of activities to engage students as they learn the difference between relations and functions and how they work. Just, click on the title. Use the math video, games and activities as you desire to introduce relations and functions as well as to offer an alternative to math worksheets for skill review. The math joke could be used on a worksheet, syllabi, write it on the board or share it verbally.
Three creative teachers, Jason Ermer, Patty Hill, and Michael Word created a slighty humorous cartoon to show how functions work. At the end, the viewer guesses the rule of a new machine. Your students are sure to get the point.
Old mathematicians never die, they just lose some of their functions.