Instructional Video4:48
Curated Video

Subtracting Three-Digit Numbers Using a Number Line

K - 5th
In this video, the teacher explains how to subtract three-digit numbers using a number line. They demonstrate how to draw a number line and use it to find the difference between two numbers.
Instructional Video3:44
Curated Video

Adding Three-Digit Numbers Using Expanded Form

K - 5th
The video demonstrates how to add three-digit numbers without drawing pictures but by using expanded form. The host explains how to expand each number and add the values of the hundreds, tens, and ones separately. The process is shown...
Instructional Video4:22
Curated Video

Subtracting Three-Digit Numbers Using Expanded Form

K - 5th
In this video, the teacher explains how to find the difference between three-digit numbers without drawing pictures. They introduce the concept of expanded form and demonstrate how to subtract by breaking down the values of each digit.
Instructional Video3:33
Curated OER

What's FOIL?

6th - 12th
FOIL= first, outside, inside, last. Use this method to multiply two binomials. The teacher demonstrates this method using variables. Then she demonstrates with numbers and variables and writes out each term being multiplied. Finally,...
Instructional Video2:57
Curated OER

What's FOIL?

8th - 10th
FOIL= first, outside, inside, last. Use this method to multiply two binomials. The teacher demonstrates this method using variables. Then she demonstrates with numbers and variables and writes out each term being multiplied. Finally,...
Instructional Video
Science for Kids

Science Kids: Experiment Videos: Soap in a Microwave

9th - 10th
Find out what happens when you put a bar of Ivory soap in a microwave. [1:16]
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 2

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 2 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 3

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 3 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 7

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 7 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 9

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 9 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding a Polynomial: Lesson 10

9th - 10th
This lesson gives details on how to construct a given factor, create a polynomial, and how to find the zero of the resulting polynomial. It is 10 of 10 in the series titled "Expanding a Polynomial."
Instructional Video
Khan Academy

Khan Academy: Expanding Binomials W/o Pascal's Triangle

9th - 10th Standards
Sal gives a "trick" for expanding large powers of binomials, without using Pascal's triangle. [4:58]
Instructional Video
Curated Video

Math Tutor Dvd: Balloon in a Candle Flame Science Experiment

9th - 10th
In this cool science experiment, you will see how you can put a balloon directly into a candle flame and the balloon will not burst. The power of heat conduction makes this possible. Have fun while learning about heat transfer and energy...
Instructional Video
Sophia Learning

Sophia: Expanding a Polynomial: Lesson 2

9th - 10th
This lesson gives details on how to construct a given factor, create a polynomial, and how to find the zero of the resulting polynomial. It is 2 of 10 in the series titled "Expanding a Polynomial."
Instructional Video
Sophia Learning

Sophia: Expanding a Polynomial: Lesson 4

9th - 10th
This lesson gives details on how to construct a given factor, create a polynomial, and how to find the zero of the resulting polynomial. It is 4 of 10 in the series titled "Expanding a Polynomial."
Instructional Video
Sophia Learning

Sophia: Expanding a Polynomial: Lesson 6

9th - 10th
This lesson gives details on how to construct a given factor, create a polynomial, and how to find the zero of the resulting polynomial. It is 6 of 10 in the series titled "Expanding a Polynomial."
Instructional Video
Sophia Learning

Sophia: Expanding a Series: Lesson 10

9th - 10th
In this lesson, you will learn how to plug in all applicable values of n to find expand a series. It is 10 of 10 in the series titled "Expanding a Series."
Instructional Video
Sophia Learning

Sophia: Expanding a Series: Lesson 4

9th - 10th
In this lesson, you will learn how to plug in all applicable values of n to find expand a series. It is 4 of 10 in the series titled "Expanding a Series."
Instructional Video
Sophia Learning

Sophia: Expanding a Series: Lesson 6

9th - 10th
In this lesson, you will learn how to plug in all applicable values of n to find expand a series. It is 6 of 10 in the series titled "Expanding a Series."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 5

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 5 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 6

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 6 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expanding Logarithmic Expressions: Lesson 1

9th - 10th
This lesson will show you how to use the rules of expanding to spread out a logarithm. It is 1 of 10 in the series titled "Expanding Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expansion of Logarithmic Expressions: Lesson 2

9th - 10th
Through this lesson, rules, laws, and principles of how to rewrite logarithms will be shown to expand a logarithm. It is 2 of 5 in the series titled "Expansion of Logarithmic Expressions."
Instructional Video
Sophia Learning

Sophia: Expansion of Logarithmic Expressions: Lesson 5

9th - 10th
Through this lesson, rules, laws, and principles of how to rewrite logarithms will be shown to expand a logarithm. It is 5 of 5 in the series titled "Expansion of Logarithmic Expressions."