Represent proportional relationships in tables, and define the constant of proportionality.
?
?
?
?
?
A self-serve frozen yogurt store sells yogurt at a price based on weight. Each member of Isabelle’s family weighed his or her dish to determine the cost of their yogurt, as shown in the table below.
Weight (ounces) | Cost ($) |
12 | 6 |
5 | 2.50 |
8 | 4 |
6 | 3 |
Is the cost of the yogurt proportional to the weight of the yogurt?
Grade 7 Mathematics > Module 1 > Topic A > Lesson 2 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 The Match Foundation, Inc.The table below relates the number of gallons to number of quarts.
Gallons | Quarts |
5 | 20 |
3 | 12 |
8 | 32 |
12 | 48 |
?
The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
?
A family took a road trip down the East coast. On average, they traveled at a constant speed, represented in miles and hours in the table below.
Number of Hours | Number of Miles |
$$\frac{1}{2}$$ | $$30$$ |
$$2$$ | $$120$$ |
$$5\frac{1}{2}$$ | $$330$$ |
$$7\frac{1}{2}$$ | $$450$$ |
$$9$$ | $$540$$ |
?