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.
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...
CPALMS
Cpalms: All Circles Are Similar Especially Circular Pizza!
Chefs at Gaines Street Pies explain how they make their pizzas and why all of their pizzas are similar circles. [4:13]
PBS
Pbs Learning Media: Scale City: Similar Figures in the Real World
This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...
Loyola University Chicago
Math Flix: Similar Figures: Concept Development
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by comparing figures that are and are not mathematically similar. As you watch and listen to the teacher and student interact it helps clarify the...
Sophia Learning
Sophia: Corresponding Parts: Lesson 1
This lesson [2:00] will define the phrase corresponding parts (e.g. angles, sides, etc.). It is 1 of 5 in the series titled "Corresponding Parts."
Sophia Learning
Sophia: Scale and Similar Figures: Lesson 4
This lesson explains how similar figures are related to the concept of scale. It is 4 of 5 in the series titled "Scale and Similar Figures."
Sophia Learning
Sophia: Scale and Similar Figures: Lesson 1
This lesson explains how similar figures are related to the concept of scale. It is 1 of 5 in the series titled "Scale and Similar Figures."
Sophia Learning
Sophia: Similar Figures: Lesson 3
This lesson defines the phrase similar figures. It is 3 of 6 in the series titled "Similar Figures."
Sophia Learning
Sophia: Similar Solids and Similar Figures: Lesson 3
This lesson explains how similar solids are related to similar figures in two-dimensions. It is 3 of 5 in the series titled "Similar Solids and Similar Figures."
Sophia Learning
Sophia: Using Similarity to Identify Missing Information: Lesson 4
This lesson demonstrates how to use similar figures to find some unknown information about similar figures. It is 4 of 5 in the series titled "Using Similarity to Identify Missing Information."
Sophia Learning
Sophia: Corresponding Parts: Lesson 2
This lesson [4:27] will define the phrase corresponding parts (e.g. angles, sides, etc.). It is 2 of 5 in the series titled "Corresponding Parts."
Sophia Learning
Sophia: Corresponding Parts: Lesson 3
This lesson [6:07] will define the phrase corresponding parts (e.g. angles, sides, etc.). It is 3 of 5 in the series titled "Corresponding Parts."
Sophia Learning
Sophia: Similar Solids and Similar Figures: Lesson 2
This lesson explains how similar solids are related to similar figures in two-dimensions. It is 2 of 5 in the series titled "Similar Solids and Similar Figures."
Sophia Learning
Sophia: Dilations Are Transformations
Dilation transformations are explored and related to translations and reflections in this video lesson. [3:12]
Loyola University Chicago
Math Flix: Similar Figures: Illustrated
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, using illustrated figures that are similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind...
Khan Academy
Khan Academy: Proof: All Circles Are Similar
Demonstrates how to use a unit circle on a coordinate grid to prove that all circles are similar. [1:34]
Loyola University Chicago
Math Flix: Similar Figures: Vocabulary
This QuickTime movie provides an opportunity to learn about the basic geometric term similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Similar Figures: Ratio
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by using a ratio to see if figures are similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind...
Loyola University Chicago
Math Flix: Similar Figures: Explanation
This QuickTime movie provides an opportunity to develop the basic geometric term, similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.