Khan Academy
Rounding Whole Numbers 2, Arithmetic Properties, Pre-Algebra
This is the second in a series of three Khan Academy videos on rounding whole numbers. Students watch Sal Khan round the number 423,275 to the nearest thousand by looking at the number in the hundreds place. If it is five or higher, you...
Khan Academy
Adding Fractions with Like Denominators, Fractions, Pre-Algebra
Show your students this presentation to help them understand how to add fractions with like denominators. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
Khan Academy
Dividing Mixed Numbers, Fractions, Pre-Algebra
Before Sal can divide a mixed number, he has to rewrite it as an improper fraction. He explains that dividing a fraction is the same as multiplying it by its reciprocal and that you can "cancel out" numbers to make multiplying easier.
Khan Academy
Dividing Polynomials 1, Polynomial and Rational Functions, Algebra II
Divide two polynomial expressions by writing the problem as a fraction or as long division. Sal shows how to use long division to divide polynomials. A solid understanding of polynomial operations is necessary to grasp this video.
Khan Academy
Multiplying Fractions and Whole Numbers: Mixed Number Answer, Pre-Algebra
Here is a great video explaining multiplying a fraction by a whole number. Sal shows students how to put a whole number over 1 to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.
Khan Academy
Rounding Whole Numbers 3, Arithmetic Properties, Pre-Algebra
Sal Khan completes the three-part rounding series with this Khan Academy video on rounding to the nearest 10. He references the actions taken in video two, so students would be best served if all three videos were shown in sequence.
Khan Academy
Rounding Whole Numbers Example 1, Arithmetic Properties, Pre-Algebra
Rounding is an essential skill that must be used throughout the study of mathematics. This Khan Academy video is the first in a series of three. It shows how to round the number 24,259 to the nearest hundred, using a number line.
Khan Academy
Example 4: Adding and Subtracting Polynomials, Algebra Basics
Adding two polynomials begins with simplifying when possible. Sal demonstrates the process he uses to combine like terms and explains why the process works. This video would be great for those who need a quick refresher.
Khan Academy
Polynomial Divided by Monomial, Polynomial and Rational Functions, Algebra I
Let's think about how a person could simplify an expression where a polynomial is divided by a monomial. Sal shares three different modes he could use to simplify, then uses each way to solve the same problem.
Khan Academy
Simplifying Rational Expressions (Old Video)
Here is a quick look at how one could simplify a monomial expression involving division. Sal works on a problem and briefly explains his process. Great as a concept review.
Khan Academy
Multiplying in Scientific Notation (Example), Pre-Algebra
Apply the concept of scientific notation to a word problem involving the rate of speed. Sal explains how to express the answer using scientific notation.
Khan Academy
Finding the Greatest Common Factor of Two Monomials, Algebra I
Sal explains that the most significant common factor of any number is the largest number divisible into both monomials and not necessarily the number with the most significant value. He breaks down two numbers into their prime factors as...
Khan Academy
Example 1: Factoring a Difference of Squares with Two Variables, Algebra II
Practice is an important learning tool. This practice problem allows students to apply their know-how to factoring a binomial with a difference of squares. Sal explains his process briefly, making this video suitable for those already...
Khan Academy
Factoring Sum of Cubes, Polynomial and Rational Functions, Algebra II
Here is a special form of a sum of cubes problem, where students use algebraic multiplication to rewrite each term in expanded form. Sal gives an example before solving the problem to show the process that he will use to determine the...
Khan Academy
Example 1: Factoring Trinomials with a Common Factor, Algebra II
Use division and factoring to determine the leading one coefficient. This presentation thoroughly explains how to factor a trinomial to determine its common factors.
Curated OER
One Of These Things
After looking at a group with three pairs of sunglasses and a hat, viewers have to identify which item doesn’t belong. As a critical thinking and classification activity, this video could be linked to a lesson on grouping objects.
Curated OER
Hot! Hot! Hot!
Baby Bear shows how to sound out the word hot. He also illustrates its meaning. This is a creative way to introduce new Language Arts.
Sesame Street
Kids Talk: Making Friends
Making friends is an important part of the school experience. In this clip, children talk about how they make friends and what they do with these special people. Children will love exploring this topic.
Curated OER
Z Zebra Song
Add some tunes to your letter lesson with the "Zebra Song." Elmo sings, dances, and zips around throughout this fun song!
Curated OER
Mad Men
A spoof on the television series, this Mad Men episode is a great way to discuss Social Studies. The characters experience anger, sadness, and happiness. It's a motivating way to cover this topic with students.
Curated OER
Guess The Seasons
Fall, winter, spring, and summer are all of the seasons of the year. Can your class guess what seasons these Sesame Street characters are singing about throughout the video? Tip: Have children share their favorite characteristics of each...
Curated OER
Potty Time
Preschoolers will love this video with a potty theme. Elmo's dad sings a catchy tune about using the bathroom. You might find yourself singing along with the tune.
Sesame Street
Sesame Street: Zoe Says
This game of "Zoe says" shows how your young viewers can get along with each other and play a game. This is a great video to watch when learning about parts of the body.
Khan Academy
Solving Radical Equations, Exponent Expressions and Equations, Algebra I
Continue your lecture on radical equations with this video, which features Sal solving a few more problems with his classic clarity and understandable way. Young mathematicians will benefit immensely from seeing his cool hand guide the...
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