Have your class figure out how much "Teddy" weighs on the moon and how to translate words into algebra! This video shows pupils how to take a word problem, and then solve it using the direct variation formula and given information. Great...

Tutorial demonstrates what a direct variation looks like graphically. [1:57]

This lesson explains why force and acceleration are directly proportional. It is 2 of 2 in the series titled "Force & Acceleration."

This lesson explains why force and acceleration are directly proportional. It is 1 of 2 in the series titled "Force & Acceleration."