Instructional Video
Crash Course

Crash Course Study Skills #6: Procrastination

9th - 10th
This video focuses on why we procrastinate and how to reduce procrastination. He works from the following equation: Motivation=(Expectancy X Value) / (Impulsiveness X Delay).
Instructional Video
Sophia Learning

Sophia: Order of Magnitude

9th - 10th
A video tutorial introduces the concept of order-of-magnitude, and explains how it is used to make estimations in physics. [2:13]
Instructional Video
Khan Academy

Khan Academy: Fundamentals: Intrinsic vs. Instrumental Value

9th - 10th Standards
What sort of things do we value and why? In this video Kelley distinguishes two different kinds of value: intrinsic and instrumental. Their distinctions are illuminated through the use of plenty of examples.
Instructional Video
Sophia Learning

Sophia: Evaluating an Inverse Function: Lesson 2

9th - 10th Standards
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 2 of 7 in the series titled "Evaluating an Inverse Function."
Instructional Video
Sophia Learning

Sophia: Evaluating an Inverse Function: Lesson 6

9th - 10th
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 6 of 7 in the series titled "Evaluating an Inverse Function." [3:26]
Instructional Video
Sophia Learning

Sophia: Evaluating an Inverse Function: Lesson 7

9th - 10th
Given an inverse trigonometric function, this lesson demonstrates how it can be evaluated for a particular value. It is 7 of 7 in the series titled "Evaluating an Inverse Function."
Instructional Video
Sophia Learning

Sophia: Factoring to Find an Indeterminate Limit: Lesson 2

9th - 10th
This lesson shows how an indeterminate limit may be found by first identifying a common factor in the numerator and denominator of the function. It is 2 of 7 in the series titled "Factoring to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Factoring to Find an Indeterminate Limit: Lesson 4

9th - 10th
This lesson shows how an indeterminate limit may be found by first identifying a common factor in the numerator and denominator of the function. It is 4 of 7 in the series titled "Factoring to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Factoring to Find an Indeterminate Limit: Lesson 1

9th - 10th
This lesson shows how an indeterminate limit may be found by first identifying a common factor in the numerator and denominator of the function. It is 1 of 7 in the series titled "Factoring to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Finding a Limit Through Substitution: Lesson 4

9th - 10th
This lesson shows how a limit may be found for an element of the domain of a function by substituting that value into the function. It is 4 of 7 in the series titled "Finding a Limit Through Substitution."
Instructional Video
Sophia Learning

Sophia: Finding a Limit Through Substitution: Lesson 5

9th - 10th
This lesson shows how a limit may be found for an element of the domain of a function by substituting that value into the function. It is 5 of 7 in the series titled "Finding a Limit Through Substitution."
Instructional Video
Sophia Learning

Sophia: Finding a Limit Through Substitution: Lesson 7

9th - 10th
This lesson shows how a limit may be found for an element of the domain of a function by substituting that value into the function. It is 7 of 7 in the series titled "Finding a Limit Through Substitution."
Instructional Video
Sophia Learning

Sophia: Finding a Limit Through Substitution: Lesson 1

9th - 10th
This lesson shows how a limit may be found for an element of the domain of a function by substituting that value into the function. It is 1 of 7 in the series titled "Finding a Limit Through Substitution."
Instructional Video
Sophia Learning

Sophia: Finding an Indeterminate Limit With a T Chart: Lesson 3

9th - 10th
This lesson shows how an indeterminate limit may be found for an element of the domain of a function by constructing a T chart. It is 3 of 7 in the series titled "Finding an Indeterminate Limit with a T Chart."
Instructional Video
Sophia Learning

Sophia: Finding an Indeterminate Limit With a T Chart: Lesson 1

9th - 10th
This lesson shows how an indeterminate limit may be found for an element of the domain of a function by constructing a T chart. It is 1 of 7 in the series titled "Finding an Indeterminate Limit with a T Chart."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 10

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 10 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 5

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 5 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 7

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 7 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 8

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 8 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 9

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 9 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying and Dividing Absolute Values: Lesson 1

7th - 8th
In this lesson, students see how to multiply and divide numbers within absolute value notation. It is 1 of 11 in the series titled "Multiplying and Dividing Absolute Values."
Instructional Video
Sophia Learning

Sophia: Multiplying to Find an Indeterminate Limit: Lesson 2

9th - 10th
This lesson shows how an indeterminate limit may be found by first multiplying the numerator and denominator of the function by a carefully picked factor. It is 2 of 8 in the series titled "Multiplying to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Multiplying to Find an Indeterminate Limit: Lesson 7

9th - 10th
This lesson shows how an indeterminate limit may be found by first multiplying the numerator and denominator of the function by a carefully picked factor. It is 7 of 8 in the series titled "Multiplying to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Multiplying to Find an Indeterminate Limit: Lesson 8

9th - 10th
This lesson shows how an indeterminate limit may be found by first multiplying the numerator and denominator of the function by a carefully picked factor. It is 8 of 8 in the series titled "Multiplying to Find an Indeterminate Limit."