New Mexico State University
Atlantean Dodgeball
Develop ratios within sporting games. Class members watch a video about dodgeball and see how coaches compare the scores. Pupils then work with ratios to compare the scores throughout the tournament. Using their knowledge of ratios, they...
New Mexico State University
Bad Date
Get the best ratio for a good date. The class watches a video where dates are rated based on the ratio of words spoken. Pupils then use the ratios in the video along with other given ratios to find equivalent ratios. Finally, they...
New Mexico State University
Ratey the Math Cat
Find a perfect way to recognize rates. The class first watches a video that emphasizes the word per when referencing a rate. Pupils then use their knowledge to create their own rates via station activities. Finally, individuals use...
Mathispower4u
Direct Variation (Distance = Rate x Time) Example
Speed through a direct variation example. The presented problem uses a distance-rate-time problem as an example of a direct variation problem. Using the slope between two points of time and distance, the video shows learners how to...
PBS
Human Tree: Dilations
Look at dilations exponentially. Using a fractal from a museum exhibit, the installment from the Math at the Core: Ratios series introduces the term dilation. The presenter points out that dilations can make images either smaller or...
PBS
Recognize and Represent Proportional Relationships between Quantities: Ratio, Proportion, Cross Multiply, and Divide
Review three video clips for one major concept. The resource contains three short clips to introduce the idea of ratios and proportions and how to solve a proportion. After watching the video, partners use their noses to push pom poms...
Math Mammoth
Math Mammoth: Unit Rates and More About Proportions
Explains what a unit rate is, how to calculate it, and how it relates to slope. [11:38]
Math Mammoth
Math Mammoth: How to Find the Unit Rate, Including With Fractions
Explains how to determine a unit rate, including when fractions are involved. This is followed by a demonstration of how to work with unit rates when solving a word problem and a graphing problem. [11:38]
Math Mammoth
Math Mammoth: Scaling Figures and the Scale Ratio
Explains what a scale ratio between two figures means and how to use it to calculate unknown side lengths. [8:31]
Khan Academy
Khan Academy: Writing Proportional Equations
Writing an equation to describe the relationship between the number of scoops in an ice cream cone and the price.
Virtual Nerd
Virtual Nerd: What's a Boundary?
When you graph an inequality on the coordinate plane, you end up creating a boundary which cuts the plane in half. Learn about this boundary in this tutorial. [1:08]
Virtual Nerd
Virtual Nerd: How Do You Find the Rate of Change Between Two Points on a Graph?
Check out this tutorial to practice finding the rate of change using a graph. [4:51]
Virtual Nerd
Virtual Nerd: What's a Proportion?
Watch this tutorial to learn why proportions are actually equations with equal ratios. [3:45]
Khan Academy
Khan Academy: Rates & Proportional Relationships: Gas Mileage
Video explores rates and proportional relationships using a gas mileage problem. [3:18]
Khan Academy
Khan Academy: Graphing Proportional Relationships: Unit Rate
Video tutorial demonstrates how to graph the equation of a line that represents a proportional relationship given a unit rate. [4:30]
Khan Academy
Khan Academy: Graphing Proportional Relationships From a Table
Explore how to graph the equation of a line that represents a proportional relationship given a table. [1:10]
Khan Academy
Khan Academy: Graphing Proportional Relationships From an Equation
Video lesson shows how to graph the equation of a line that represents a proportional relationship given an equation. [3:08]
Virtual Nerd
Virtual Nerd: How Do You Know if Two Ratios Are Proportional?
Ratios are proportional if they represent the same relationship. To see how to check if ratios are proportional, take a look at this tutorial. [4:34]
Khan Academy
Khan Academy: Interpreting Graphs of Proportional Relationships
Learn how to read and understand graphs of proportional relationships.
Imagine Learning Classroom
Learn Zillion: Determine Unit Rates Using a Table
In this lesson, you will learn to determine the unit rate by using a table of values. [5:30]
Planet Nutshell
Planet Nutshell: Math Shorts: Proportional Relationships
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site, students learn about proportional relationships.
Sophia Learning
Sophia: Determining Proportionality Using Graphs and Tables
Determine whether objects of different shapes and sizes are proportional. Check understanding with a quiz.
Khan Academy
Khan Academy: Rates & Proportional Relationships
Video explores how to compare a rate given in an equation to a rate shown on a graph. [1:24]