Students practice calculating the slope of a line. They explain how the formula is derived and identify properties that are associated with positive, negative and undefined slopes. They complete an online activity as well.
6th - 8th Math 3 Views 22 Downloads
Proving Slope Criteria for Parallel & Perpendicular Lines
This lesson launches with learners graphing the fourth vertex of a given rectangle, and finding the length and slope of one of its sides; and ends with learners writing a summary sheet for parallel and perpendicular lines. In between,...
7th - 11th Math CCSS: Designed
What is the Slope of the Stairs in Front of the School?
Mathematicians apply the formula for line slope to determine the slope of stairs in their school. They work in small groups to take the appropriate measurements, perform the necessary calculations, and find the mean of their group slope...
8th - 11th Math CCSS: Designed