Graph proportional relationships and interpret slope as the unit rate.
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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.
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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.”
Sore Throats, Variation 2, accessed on Feb. 23, 2018, 11:02 p.m., is licensed by Illustrative Mathematics under either the CC BY 4.0 or CC BY-NC-SA 4.0. For further information, contact Illustrative Mathematics.
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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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?