Instructional Video3:56
Curated Video

Finding the Constant of Proportionality from Labeled Diagrams

K - 5th
In this video, the teacher explains how to identify the constant of proportionality from labeled diagrams. They provide examples of circles with their circumference and diameter labeled in nanometers.
Instructional Video4:06
Curated Video

Determining the Constant of Proportionality from a Graph

K - 5th
This video explains how to determine the constant of proportionality from a graph. It demonstrates the process using an example of time and distance. The constant of proportionality can be found by finding the ratio of y to x, and it...
Instructional Video5:43
FuseSchool

MATHS - Ratio - Inverse Proportion

6th - Higher Ed
In this video, we are going to be looking at Inverse proportion. You may have already looked at direct proportion, which is how we describe the relationship between two quantities which grow by the same scale factor.
Instructional Video3:40
Curated Video

Identify the Constant of Proportionality by Writing an Equation in the Form y=mx

K - 5th
In this video, the teacher explains how to identify the constant of proportionality in verbal descriptions of proportional relationships. They demonstrate the process using an example of an ant's travel distances and times. By writing an...
Instructional Video3:09
Curated Video

Writing Equations for Proportional Relationships

K - 5th
In this video, the teacher explains how to use the constant of proportionality to write an equation that expresses the relationship between two quantities. By finding the constant proportionality, students can determine the equation that...
Instructional Video4:21
Curated Video

Finding the Circumference of a Circle

K - 5th
In this video, the teacher explains how to find the circumference of a circle by exploring the ratio of the diameter and circumference. The concept of constant proportionality and the use of pi as an approximate value are also discussed.
Instructional Video
Loyola University Chicago

Math Flix: Proportion Similar Figures

6th - 8th Standards
This QuickTime movie applies the concept of proportion to similar geometric figures. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept. Allow loading time.
Instructional Video
Loyola University Chicago

Math Flix: Extended Response: Similar Figures Proportion

6th - 8th
This QuickTime movie explains the solution for a geometry problem working with proportion that requires an extended response. The teacher and student discuss how to work through it together to find the solution. As you watch and listen...