Instructional Video
Art of Problem Solving

Art of Problem Solving: Proportion

9th - 10th Standards
Video tutorial uses examples to reinforce understanding of proportions. [7:09]
Instructional Video
Loyola University Chicago

Math Flix: Using Proportion

3rd - 8th Standards
This QuickTime movie gives examples of how to use the concept of proportion. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Instructional Video
Loyola University Chicago

Math Flix: Proportion Introduction

3rd - 8th Standards
This QuickTime movie introduces the concept of proportion. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Instructional Video
NEAPortal

Nea Portal:solve Real World Problems That Involve a Combination of Rates, Proport

6th - 8th Standards
This lesson is about solving real world problems that involve a combination of rates, proportions and percents. Also, it is aligned to a common core state standard CC.9-12.N.Q.2. [10:59]
Instructional Video
Sophia Learning

Sophia: Solving Algebraic Proportions in 1 Variable: Lesson 1

7th - 8th Standards
Solve algebraic proportions in one variable which result in linear or quadratic equations. This lesson is 1 of 3 in the series titled "Solving Algebraic Proportions in 1 Variable."
Instructional Video
Sophia Learning

Sophia: Solving Algebraic Proportions in 1 Variable: Lesson 2

7th - 8th Standards
Solve algebraic proportions in one variable which result in linear or quadratic equations. This lesson is 2 of 3 in the series titled "Solving Algebraic Proportions in 1 Variable."
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Tercera Proporcional 02

9th - 10th Standards
This video will show you how to find the third number using proportion when two numbers are given. [1:36]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Cuarta Proporcional 02

9th - 10th Standards
Given three numbers this video tutorial will shows how to find the fourth unknown in a proportion. [1:38]
Instructional Video
Sector Matemática

Sector Matematica: Determinar Incognita en Una Proporcion 05

9th - 10th Standards
This tutorial shows how to solve an unknown in a proportion. [1:46]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Descomponer Una Proporcion 01

9th - 10th Standards
This tutorial shows how to decompose a proportion. [1:40]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Tercera Proporcional 01

9th - 10th Standards
Given two numbers this tutorial will shows how to find the third number using a proportion. [2:10]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Componer Una Proporcion 01

9th - 10th Standards
This video tutorial shows how to create equivalent proportions. [1:48]
Instructional Video
Sector Matemática

Sector Matematica: Determinar Incognita en Una Proporcion 03

9th - 10th Standards
This tutorial shows how to solve an unknown in proportions. [1:43]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Tercera Proporcional 03

9th - 10th
This video will show you how to find the third number using proportion when two fractions are known. [1:12]
Instructional Video
Sector Matemática

Sector Matematica: Determinar Incognita en Una Proporcion 04

9th - 10th Standards
This tutorial shows how to solve an unknown in a proportion. [1:46]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Ejercicio 02

9th - 10th Standards
This video shows you how to solve two unknown in two equations using proportion. [2:47]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Componer Una Proporcion 02

9th - 10th
This tutorial shows how to create equivalent proportions. [1:39]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Descomponer Una Proporcion 02

9th - 10th Standards
This tutorial shows how to decompose a proportion. [1:19]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Componer Una Proporcion 03

9th - 10th
This tutorial shows how to create equivalent proportions. [1:32]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Ejercicio 01

9th - 10th Standards
Given two equations with two unknown this video will show you how to solve for the unknown using proportion. [2:57]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Media Proporcional 01

9th - 10th Standards
This video will show you how to solve a proportion with two unknown. [1:07]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Cuarta Proporcional 01

9th - 10th Standards
This tutorial shows how to find the fourth unknown in a proportion. [1:43]
Instructional Video
Sector Matemática

Sector Matematica: Razones Y Proporciones: Cuarta Proporcional 03

9th - 10th
Given three fractions this video tutorial will shows how to find the fourth unknown in a proportion. [1:40]
Instructional Video
Sector Matemática

Sector Matematica: Determinar Incognita en Una Proporcion 01

9th - 10th Standards
This tutorial shows how to solve an unknown in a proportion. [1:40]