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Curated Video
Finding the Constant of Proportionality from Labeled Diagrams
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.
Curated Video
Determining the Constant of Proportionality from a Graph
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...
FuseSchool
MATHS - Ratio - Inverse Proportion
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.
Curated Video
Identify the Constant of Proportionality by Writing an Equation in the Form y=mx
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...
Curated Video
Writing Equations for Proportional Relationships
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...
Curated Video
Finding the Circumference of a Circle
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.
Loyola University Chicago
Math Flix: Proportion Similar Figures
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.
Loyola University Chicago
Math Flix: Extended Response: Similar Figures Proportion
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...