CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Part A
[Free Registration/Login may be required to access all resource tools.] In this lesson students use a proportion to find part a of the percent proportion. Students examine guided notes, review guided practice, watch instructional videos...
Khan Academy
Khan Academy: Solving Proportions
Practice solving basic proportions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Percent, P
[Free Registration/Login may be required to access all resource tools.] In this lesson students use a proportion to find a percent. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Percent, P
[Free Registration/Login may be required to access all resource tools.] In this lesson students use proportions to find percents. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
PBS
Pbs Mathline Lesson: Mix It Up [Pdf]
A lesson based on the story, "Oliver's Fruit Salad," where students explore the concept of proportional reasoning through modeling, student sharing, and questioning. A great introductory lesson for this concept that is sure to engage...
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
Illustrative Mathematics
Illustrative Mathematics: 7.rp Art Class, Variation 1
Seventh graders explore proportional relationships using paint colors in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Music Companies, Variation 2
In this lesson plan students solve multi-step equations using proportional relationships.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Selling Computers
Seventh graders use proportional reasoning to determine the amount of sales needed in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Sale!
Seventh graders are using proportional reasoning to solve real world problems in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Friends Meeting on Bikes
Seventh graders use proportional relationships to determine the difference in speed between two girls riding bikes in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Art Class, Assessment Variation
Seventh graders knowledge of proportional relationships is assessed in this lesson using the mixtures of paint.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Finding a 10% Increase
Seventh graders use proportional reasoning to sovle a percent problem in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Buying Protein Bars and Magazines
In this lesson plan, 7th graders determine the amount of magazines that can be purchased and explore proportional relationships.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Dueling Candidates
Seventh graders use proportional reasoning to solve word problems regarding an election.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Robot Races
This lesson plan allows students to explore proportional relationships using information from robot races.
Illustrative Mathematics
Illustrative Mathematics: 7.rp and 7.g Sand Under the Swing Set
In this lesson plan, 7th graders determine the amount of sand needed to cover a particular area using proportional relationships.
Texas Instruments
Texas Instruments: Proportional Reasoning: Set 1
Students will identify and use properties to solve equations when given a word problem or one that is already set up for them.
Shodor Education Foundation
Shodor Interactivate: Mixtures
This activity will help students develop their understanding of percents and proportional reasoning by solving mixture problems. Working with two piles of circles the student determines the number in each pile that will be colored. In...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Unit Rates
An interactive simulation that teaches about ratios, proportional reasoning, and using double number lines to look for patterns through interactions while shopping for fruits, vegetables, and candy and by comparing cars with different...
Texas Education Agency
Texas Gateway: Determining Arc Length
Given a problem situation involving sectors of circles, the student will use proportional reasoning to solve the problem.
Google
Google for Education: Ratios and Proportions
Students use ratio and rate reasoning to solve real-world and math problems by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Purple Math
Purplemath: Proportions: Introduction
Explains the basics and terminology of proportions.
PBS
Pbs: Scale City: Inverse Proportions and Shadows in the Real World
In this video, students take a quick trip through the history of drive-in theaters and are then asked to consider the question, "What is the relationship between the size of an object's shadow and the object's distance from a light...