Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition Sums to 1000

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on addition with sums up to one thousand.
Instructional Video
Sophia Learning

Sophia: Addition Is Associative

6th - 8th
This video tutorial explains and provides an example of the associative property of addition.
Instructional Video
Sophia Learning

Sophia: Finding a Right Riemann Sum: Lesson 2

9th - 10th
This lesson shows how to use a right Riemann sum to approximate the area under a given interval of a function. It is 2 of 7 in the series titled "Finding a Right Riemann Sum."
Instructional Video
Sophia Learning

Sophia: Finding a Right Riemann Sum: Lesson 3

9th - 10th
This lesson shows how to use a right Riemann sum to approximate the area under a given interval of a function. It is 3 of 7 in the series titled "Finding a Right Riemann Sum."
Instructional Video
Sophia Learning

Sophia: Trigonometric Integrals: Lesson 3

9th - 10th
This lesson introduces how to take the integral of sine and cosine. It is 3 of 5 in the series titled "Trigonometric Integrals."
Instructional Video
Sophia Learning

Sophia: Trigonometric Integrals: Lesson 1

9th - 10th
This lesson introduces how to take the integral of sine and cosine. It is 1 of 5 in the series titled "Trigonometric Integrals."
Instructional Video
Sophia Learning

Sophia: Finding a Right Riemann Sum: Lesson 4

9th - 10th
This lesson shows how to use a right Riemann sum to approximate the area under a given interval of a function. It is 4 of 7 in the series titled "Finding a Right Riemann Sum."
Instructional Video
Sophia Learning

Sophia: Finding a Right Riemann Sum: Lesson 5

9th - 10th
This lesson shows how to use a right Riemann sum to approximate the area under a given interval of a function. It is 5 of 7 in the series titled "Finding a Right Riemann Sum."
Instructional Video
Sophia Learning

Sophia: Finding a Right Riemann Sum: Lesson 1

9th - 10th
This lesson shows how to use a right Riemann sum to approximate the area under a given interval of a function. It is 1 of 7 in the series titled "Finding a Right Riemann Sum."
Instructional Video
Brightstorm

Brightstorm: Additive and Multiplicative Inverses Concept

9th - 10th
Inverses, like the additive inverse or multiplicative inverses, are important for understanding how to cancel terms when solving for variables in equations and formulas. When a number is added to its additive inverse, the result is zero....