Curated Video
How to Compare and Interpret a Graph
In this math video we will learn how to compare & interpret a graph. We will connect unit rate to slope or constant of proportionality on the graph. We will write an equation using the unit rate. As we compare two lines on the graph we...
Curated Video
Proportional Relationship with a Table and an Equation
In this math video we will solve a two part question about a proportional relationship with a table and an equation. We will begin by understanding the table and finding the unit rate. We will find the change in each column as we...
Curated Video
Proportional Relationships and Slope: Graphing Equations and Interpreting Slope
In this video lesson, we cover proportional relationships and slope, including how to graph equations and interpret slope in the context of a problem. We also discuss comparing relationships and using different representations to...
Physics Girl
Gravity and Orbital Mechanics - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 8 (Gravitation and Orbits) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this...
Curated Video
Interpret the Graph of a Proportional Relationship
In this math video we will answer an open response question from a standardized test. We will interpret the graph of a proportional relationship. We will be asked to explain an ordered pair on the graph using the title and labels of the...
Curated Video
Graphs of Proportional Relationships and Constant of Proportionality
In this video, the teacher explains how to identify proportional relationships in tables and graphs, and how to determine the constant of proportionality. The lesson includes examples and step-by-step instructions for finding the...
Curated Video
Slope Using Rise Over Run
This video lesson is an introduction to slope. Students learn that slope is a rate comparing the rise, change in y, over run, the change in x. Practice is embedded within the lesson to check for understanding.
Curated Video
Proportional Relationships
What factors do we need to pay attention to when comparing a relationship? Let's look at a few examples to answer this question and learn the different ways we can represent a proportional relationship.
msvgo
Direct Proportion
It explains the concept of direct proportion by using real-world examples. It also provides a few word problems on direct proportion and their solutions.
Flipped Math
Calculus AB/BC - Modeling Situations with Differential Equations
Differentiate between models. Pupils watch as the video works through three examples of creating a differential equation to model a situation. Scholars use their knowledge of proportional relationships to set up the equations and to...
Mathispower4u
Hooke's Law - Direction Variation Application
Get a direct stretch from a spring. The presentation shows how Hooke's law uses direct variation. Scholars see how to calculate the spring constant for a spring given a stretch distance and a force. Individuals then use the spring...
Mathispower4u
Direct Variation Equation (Example)
Directly, find a missing value. The video demonstrates how to find the fourth value in a direct variation relationship knowing three others. Scholars learn to find the constant of variation and use it to find a missing value.
Mathispower4u
Direct Variation Applications
What would I weigh there? A video uses the relationship of the weight of an astronaut on Earth and the moon to create a direction variation equation. Using the created equation, pupils find the weight of any astronaut on the moon.
PBS
Area and Volume in Kapa Cloth Making
Using an installment from the Math at the Core series, pupils learn about Kapa cloth, which is made from bark. The video shows how much cloth one cup of bark makes. Then classmates, working in pairs, determine the number of cups of bark...
PBS
Human Tree: Ratios
Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...
Corbett Maths
Inverse Proportion
Take an indirect view of proportionality. Using a similar approach of direct variation, the resource shows how to solve inverse proportions. The video steps through finding the constant of proportionality to write the formula for the...
Corbett Maths
Direct Proportion
Direct change by finding the constant. Using two known values within a direct proportion, the resource shows how to find the constant of proportionality. Once individuals do that, they then find any value given the other. The video works...
Anywhere Math
Direct Variation
You'll want to use the video directly, without waiting. Pupils learn how to identify whether a given relationship represents a direct variation by watching an engaging, informative video. They see how tables, graphs, and equations relate...
3Blue1Brown
Derivatives of Exponentials | Essence of Calculus, Chapter 5
See why exponential functions are special. Viewers learn how the derivatives of exponential functions are proportional to their original functions. They see that e^x is a special case where the constant of proportionality is one.
Khan Academy
Khan Academy: Algebra: Proportionality Constant for Direct Variation
This video demonstrates how to set up an equation for direct variation and solve for the variable "k" which represents the constant of proportionality. [1:44]
Khan Academy
Khan Academy: Algebra: Direct Variation Application
This video demonstrates how to solve a word problem involving a direct variation. It shows how to set up a linear equation for a directly proportional relationship and solve for the constant of proportionality. [2:02]
Khan Academy
Khan Academy: Algebra: Inverse Variation Application
Video solving an inverse variation application problem related to stringed instruments by first finding the constant of proportionality and then using it to find another value. [4:42]
Virtual Nerd
Virtual Nerd: What's the Constant of Variation?
Take a look at this tutorial to learn about the constant of variation, the relationship between two variables does not change. [3:21]
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.