Instructional Video
Sophia Learning

Sophia: Similar Figures: Lesson 5

7th - 8th
This lesson defines the phrase similar figures. It is 5 of 6 in the series titled "Similar Figures."
Instructional Video
Virtual Nerd

Virtual Nerd: Find Missing Measurements of Similar Figures Using a Proportion

7th - 9th
Video tutorial delves into how to find a missing measurement on similar figures by using proportions. [6:22]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Similar Figures?

7th - 9th Standards
Two figures that are the same shape and have the same angle measurements are similar figures. Learn all about them in this tutorial. [7:22]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Corresponding Parts in Similar Figures?

7th - 9th Standards
Video tutorial explains how to identify corresponding parts in similar figures. [6:28]
Instructional Video
Khan Academy

Khan Academy: Worked Examples: Geometry: Ca Geometry: Similar Triangles 1

9th - 10th
In this video tutorial students explore a proof using similar triangles.
Instructional Video
Sophia Learning

Sophia: Corresponding Parts

9th - 10th Standards
In this video tutorial [7:00], students will explore corresponding parts of similar objects, and determine that angles are congruent and sides are proportional.
Instructional Video
Sophia Learning

Sophia: Finding Scale Factors

5th - 8th
This video tutorial demonstrates how to calculate the scale factor for two similar figures. [4:11]
Instructional Video
Sophia Learning

Sophia: Introduction to Triangle Similarity

9th - 10th
Similar Triangles are explored in this video lesson. Students can check their understanding with an assessment. [5:51]
Instructional Video
Sophia Learning

Sophia: Practice Determining Triangle Similarity

9th - 10th Standards
Compare angle measures and side length to determine if triangles are similar. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Pre Algebra: Indirect Measurement

6th - 8th
Indirect measurement using shadows and proportions is explored in this video lesson. The tutorial includes a very detailed example of the concept.
Instructional Video
Sophia Learning

Sophia: Scale and Similar Figures

9th - 10th Standards
This video tutorial [5:22] explores how objects are represented in a scale drawing to show they are similar. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures

9th - 10th
This video lesson [3:02] demonstrates how the scale factor and area of similar figures are related.
Instructional Video
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures

9th - 10th
A relationship between scale factor and area can be determined using similar figures. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Scale Factor and Volume of Similar Figures

9th - 10th
This video lesson [3:38] demonstrates how to use scale factor to calculate the volume of similar figures. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Scale Factor and Volume of Similar Solids

9th - 10th
Explore the relationship between scale factor and volume of similar solids. Assess learning with a quiz.
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: Similar Polygons and Their Perimeters

9th - 10th
Multiply the perimeter of a smaller polygon by the scale factor to determine if polygons are similar in this video tutorial. [2:16] Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Similar Solids

6th - 8th
This video tutorial demonstrates how to determine if two solids are similar. The lesson includes detailed examples of the skill.
Instructional Video
Sophia Learning

Sophia: Similar Solids

6th - 8th
Explore how objects can have the same shape but not the same size and how they are categorized as similar solids. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Similar Solids and Similar Figures

6th - 8th
This video tutorial describes what makes solids and figures similar. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Solving for Unknown Angles of Similar Triangles

9th - 10th
Explore similar triangles and how to solve for unknown angles in this video tutorial. Check understanding with a quiz. [3:45[
Instructional Video
Sophia Learning

Sophia: Surface Area and Volume in Similar Solids

9th - 10th
Explore how similar solids affect surface area and volume. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Solving for Unknown Sides of Similar Triangles

9th - 10th
Learn how to solve for unknown sides of similar triangles and assess learning with a quiz.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Figure Out if Two Figures Are Similar?

7th - 9th Standards
Follow along with this tutorial to see an example of how to determine if two given figures are similar. [7:49]