This video demonstrates how to identify a proportional relationship in a graph if the values produce a straight line that passes through the origin.

Students will understand the absolute value of a rational number given its distance from 0 on the number line.

In this video, students see how a figure can rotate on a plane to determine the angle of rotation.

Students analyze the relationship between the dependent and independent variables using graphs and tables.

This video shows the process of finding equivalent ratios by multiplying and dividing a fraction by the same non-zero number.

Explain sound waves with this animation of vibrating keys on a vibraphone. Students will learn about pitch and volume.