Khan Academy
Khan Academy: Rates and Proportional Relationships
A variety of questions about rates and proportional relationships involving graphs, tables, and equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Arcademics
Arcademics: Dirt Bike
Solving proportions by finding the missing part and advance your dirt bike to the finish line.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Ratio and Proportion
The Math Page tutorial explains and defines ratio and proportion and includes this practice section at the end of the lesson.
Khan Academy
Khan Academy: Graphing Proportional Relationships
Students work with rates of change to graph proportional relationships. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Stock Swaps, Variation 2
Microsoft Corp. wants to acquire 1.5 million shares of Apple Corp. that are worth \$374 per share and is willing to swap Microsoft Corp. shares at \$26 per share. How many shares (to the nearest share) do they need to offer to get an...
Khan Academy
Khan Academy: Compare Constants of Proportionality: Practice
Practice problems where students compare constants of proportionality.
CK-12 Foundation
Ck 12: Geometry: Ratios and Proportions Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews ratios, proportions, and cross-multiplication.
Better Lesson
Better Lesson: Introduction to Ratios
What is a ratio? How can we create equivalent ratios? Students work to express and extend relationships using ratios.
PBS
Pbs: Scale City: Proportional Relationships in the Real World
In this video, students visit the Kentucky Horse Park where they are introduced to the question How are speed, time, and distance interrelated? The accompanying activity builds on a demonstration from the video of the length of Man o'...
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...
PBS
Pbs: Scale City: Proportions and Music in the Real World
In this video-through footage of the calliope aboard the Belle of Louisville, a church pipe organ, and various instruments at a recording studio-students are introduced to the mathematical concept that the length of a musical pipe or a...
PBS
Pbs: Real World Proportional Relationships: Gender Wage Gap
Using this infographic, learn how wage equity today compares with data from 50 years ago, at the dawn of the equal pay movement. The accompanying classroom activity invites students to explore the change in the gender wage gap from 1965...
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Ratios and Proportional Relationships
A guide to support parents as they work with their students in ratios and proportional relationships.
Other
Nearpod: Proportions: Real World Examples
For this lesson, 7th graders will learn how to solve proportions using cross-products.
Arcademics
Arcademics: Dirt Bike Proportions
This online multi-player race game allows students to practice solving proportions by finding the missing piece. The players they play against are within the computer, not necessarily their own classroom.
University of South Florida
Fcat: The Shadow Knows (Ratio, Proportion & Measurement)
Students use their height and the length of the shadow to determine the height of buildings. A great outdoor activity to learn about proportions and ratios.
The Math League
The Math League: Ratio and Proportion
Detailed explanations of ratio, comparing ratios, proportion, rate, converting rates, and average rate of speed, all with examples.
Quia
Quia: Ratios and Proportions
A series of questions about ratios and proportions is presented in a millionaire game format.
Quia
Quia: Rates, Ratios, and Proportions
One or two players can play a learning game that reviews rates, ratios, and proportions.
Sophia Learning
Sophia: Using Equations to Describe Proportions: Lesson 3
This lesson explains how proportional relationships can be described using equations. It is 3 of 5 in the series titled "Using Equations to Describe Proportions."
Sophia Learning
Sophia: Using Equations to Describe Proportions: Lesson 4
This lesson explains how proportional relationships can be described using equations. It is 4 of 5 in the series titled "Using Equations to Describe Proportions."
ClassFlow
Class Flow: Proportions
[Free Registration/Login Required] This lesson contains notes and examples for instructing how to solve proportions. Begins with relations to equivalent fractions, and then gets into solving algebraically using cross products. It...
Wyzant
Wyzant: Proportions Basics Worksheet
An interactive quiz from WyzAnt of 20 proportions are presented for the students to solve and then check their answers. All can be computed with simple cross-multiplying.
Wyzant
Wyzant: Proportion Basics
WyzAnt provides an explanation and examples on solving proportions. Proportions practice problems and a proportion calculator are included in this lesson.