Proportional Relationships
Common Core State Standards
Math 
Math 
7 
Grade 7 
RP 
Ratios & Proportional Relationships 
A 
Analyze proportional relationships and use them to solve realworld and mathematical problems 
2 
Recognize and represent proportional relationships between quantities. a. Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. c. Represent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn. d. Explain what a point (x, y) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1, r) where r is the unit rate. 
Download Common Core State Standards (PDF 1.2 MB) 

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 2
Objective
Represent proportional relationships with equations from tables, graphs, diagrams and verbal descriptions
Length
17 min
1. Get Started
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2. Observe this Lesson:
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Teacher & School Info

Joseph Almeida
 School Details
 KIPP S.T.A.R. Charter School New York, NY
 Population
 669 students
 District Spending
 $17,108
Supporting Materials

Workbook for Proportional Relationships

Debrief Video: Proportional Relationships

SAP Instructional Practice Guide for Math, Grades K8