Sophia Learning
Sophia: Surface Area and Volume in Similar Solids
Determine if solids are proportional by calculating the surface are and volume. Assess learning wih a quiz.
Sophia Learning
Sophia: Using Smiliarity to Identify Missing Information
Find unknown information about similar figures by using similar figures. Assess learning with a quiz.
Sophia Learning
Sophia: Triangle Proportionality Theorem: Lesson 3
This lesson presents how to apply the triangle proportionality theorem to solve for unknown variables and side lengths. It is 3 of 6 in the series titled "Triangle Proportionality Theorem."
Sophia Learning
Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 4
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 4 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
Virtual Nerd
Virtual Nerd: How Do You Figure Out if Two Figures Are Similar?
Follow along with this tutorial to see an example of how to determine if two given figures are similar. [7:49]
Sophia Learning
Sophia: Demonstrating Similarity
Different shapes are used to explore and define similarity. Assess learning with a quiz.
Imagine Learning Classroom
Learn Zillion: Prove Two Figures Are Similar After a Dilation
In this lesson, you will learn how to determine if two figures are similar by using dilations and scale factors. [5:23]
Khan Academy
Khan Academy: Similar Shapes & Transformations
This video lesson demonstrates how to determine whether given polygons are similar by trying to map one onto the other. The instructor uses angle-preserving transformations in this process.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Proof Using Similarity
This video shows a proof for the Pythagorean Theorem by breaking a right triangle into two similar triangles and setting up ratios of corresponding sides.
Loyola University Chicago
Math Flix: Similar Figures: Proof Using Proportions
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by checking to see if figures are proportionaly similar. As you watch and listen to the teacher and student interact it helps clarify the thinking...
Loyola University Chicago
Math Flix: Similar Figures: Cross Multiplication
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by using cross multiplication to see if figures are similar. As you watch and listen to the teacher and student interact it helps clarify the...
Khan Academy
Khan Academy: Similarity
This video lesson from Khan Academy and the Association of American Medical Colleges provides study content for the MCAT. This resource discusses how people are drawn to one another when they share similarities.
Khan Academy
Khan Academy: Congruence and Similarity Harder Example
This video lesson from Khan Academy covers congruence and similarity for eighth grade mathematics students. Watch Sal work through a harder congruence and similarity problem.
Khan Academy
Khan Academy: Congruence and Similarity Basic Example
This video lesson from Khan Academy covers congruence and similarity for eighth-grade mathematics students. Watch Sal work through a basic congruence and similarity problem.
Khan Academy
Khan Academy: Proving Slope Is Constant Using Similarity
Sal uses a clever proof involving similar triangles to show that slope is constant for a line.
Khan Academy
Khan Academy: Challenging Similarity Problem
Interesting similarity problem where we don't have a lot of information to work with.
Loyola University Chicago
Math Flix: Scale: Drawing
This QuickTime movie introduces scale in drawings and uses several examples to find the actual dimensions of locations. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Sophia Learning
Sophia: Gestalt Theory: Lesson 2
In this lesson you will learn to define and recognize the use of gestalt theory, a sensory theory of communications. It is 2 of 3 in the series titled "Gestalt Theory."
Sophia Learning
Sophia: Sas Triangle Similarity: Lesson 2
This lesson will provide examples that demonstrate how two triangles would be similar by SAS triangle similarity. It is 2 of 5 in the series titled "SAS Triangle Similarity."
Sophia Learning
Sophia: Sas Triangle Similarity: Lesson 5
This lesson will provide examples that demonstrate how two triangles would be similar by SAS triangle similarity. It is 5 of 5 in the series titled "SAS Triangle Similarity."
Sophia Learning
Sophia: Sas Triangle Similarity: Lesson 1
This lesson will provide examples that demonstrate how two triangles would be similar by SAS triangle similarity. It is 1 of 5 in the series titled "SAS Triangle Similarity."
Sophia Learning
Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 2
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 2 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
Sophia Learning
Sophia: Scale Factors: Lesson 3
This lesson defines the phrase scale factor. It is 3 of 5 in the series titled "Scale Factors."
Sophia Learning
Sophia: Scale Factors: Lesson 1
This lesson defines the phrase scale factor. It is 1 of 5 in the series titled "Scale Factors."