Graph proportional relationships and interpret slope as the unit rate.
The following materials may be helpful for this lesson: graph paper.
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Problem 1 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
Water flows at a constant rate out of a faucet. Suppose the volume of water that comes out in three minutes is 10.5 gallons.
Grade 8 Mathematics > Module 4 > Topic B > Lesson 11 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..Modified by Fishtank Learning, Inc.
Nia and Trey both had a sore throat so their mom told them to gargle with warm salt water.
Nia tasted Trey’s salt water. She said,
“I added more salt so I expected that mine would be more salty, but they taste the same.”
The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
At the grocery store, sliced turkey deli meat is on sale for $11 for 2 pounds.
a. What is the cost per pound of sliced turkey deli meat?
b. Write an equation to represent the cost, $$y$$, of sliced turkey deli meat measured in $$x$$ pounds.
c. Draw a graph of the situation.
d. What is the meaning of the slope of the line that you drew?