Instructional Video
Sophia Learning

Sophia: Direct Variation Equations

9th - 10th
This video tutorial demonstrates how to write, solve, and graph direct variation equations. The lesson provides detailed examples including word problems.
Instructional Video
Sophia Learning

Sophia: Similar Figures

9th - 10th
Similar figures are investigated in this video lesson. [4:30] It provides detailed examples using proportional relationships. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Using Similar Triangles to Make Indirect Measurements

6th - 8th
This video lesson demonstrates how similar triangles can be used to make indirect measurements. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Weighted Average

6th - 9th
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Student watch a video tutorial and then can take an online quiz.
Instructional Video
Imagine Learning Classroom

Learn Zillion: Solve Ratio Problems by Graphing on a Coordinate Plane

6th
In this lesson, you will learn to solve ratio problems by graphing on a coordinate plane. [4:52]
Instructional Video
Imagine Learning Classroom

Learn Zillion: Solve Rate Problems Using Double Number Lines

6th
In this lesson, you will learn to solve for missing values in a rate problem by setting up a double number line. [5:58]
Instructional Video
Imagine Learning Classroom

Learn Zillion: Find a Unit Rate Using a Graph

8th Standards
In this lesson, you will learn how to find unit rates by reading graphs. [5:02]
Instructional Video
Khan Academy

Khan Academy: Intro to Percentages: Identifying Percent Amount and Base

6th - 8th Standards
In this video students identify percent, amount and base.
Instructional Video
Khan Academy

Khan Academy: Intro to Percentages: Describing the Meaning of Percent

6th - 8th Standards
In this video students learn about describing the meaning of percent.
Instructional Video
Khan Academy

Khan Academy: Intro to Percentages: Describing the Meaning of Percent 2

6th - 8th Standards
In this video students learn to shade percents greater than 100.
Instructional Video
Khan Academy

Khan Academy: Equations for Proportional Relationships

7th Standards
Learn how to write a proportional equation y=kx.