Instructional Video3:42
Corbett Maths

Product of Primes

6th - 12th Standards
Here it is ... a video that shows the prime way to learn about prime factorization. Scholars watch an instructional video that shows how to find the prime factorization of a number. The method shown in the video is prime factorization...
Instructional Video3:30
Corbett Maths

Prime Numbers

4th - 12th Standards
The only factor to consider in determining prime numbers is the factors of the number. Young mathematicians learn to identify prime numbers. They see that a prime number is any number with only one and itself as its factors.
Instructional Video4:49
TED-Ed

Can You Solve the Fish Riddle?

6th - 12th Standards
Riddles are a great way to encourage learners to develop their logical thinking skills, and the fish riddle offers the perfect challenge. Viewers must determine how to rescue a series of tanks containing an endangered species of fish.
Instructional Video7:40
PBS

Are Prime Numbers Made Up?

10th - Higher Ed
Is math real? Scholars first learn about the Goldbach conjecture and prime numbers as an introduction to the philosophical idea of whether numbers actually exist. The video continues on to use an example of a circle to consider math from...
Instructional Video4:44
Krista King Math

Prime Factorization and Product of Primes

3rd - 7th Standards
Demonstrate a method for finding the prime factorization of numbers using factor trees and a video that explains how to break a number down to its prime factors. The instructor reinforces the concept of factors by displaying the...
Instructional Video2:27
Krista King Math

Prime and Composite Numbers

4th - 7th Standards
Create an understanding of prime numbers with the class after watching a video that examines different numbers and recognizes prime numbers as being those that do not have other factors than one and itself. The narrator then...
Instructional Video1:30
Curated OER

What's a Prime Number?

6th - 9th
What is a prime number? Is zero a prime number? Is one a prime number? No?! Is two a prime number? Yes. So what is the definition of a prime number? A prime number is a number that can only be divided by 1 and itself. Watch this short...
Instructional Video2:33
Curated OER

How Do You Find the Prime Factorization of a Number Using a Tree?

6th - 8th
A factor tree? What's a factor tree? A tree of factors? A factor tree is a method use to do the prime factorization of an integer. It's not complicated. Watch the teacher as she explains the steps and shows how to write the answer as a...
Instructional Video4:57
Curated OER

How Do You Factor a Greatest Common Factor Out of an Expression?

6th - 9th
What is the greatest common factor of two terms in an expression? First prime factor each of the terms. Then find the factors that they have in common. Multiply if needed. That is how to find the greatest common factor. Watch the video...
Instructional Video3:10
Curated OER

What's Another Definition for Prime and Composite Numbers?

5th - 8th
Simply put, a prime number is a number that is divisible only by one and itself. All other numbers are composite.
Instructional Video1:38
Curated OER

Prime Numbers Sieve

5th - 8th
A very quick look at a multiplication table and how to eliminate numbers according to multiples of 2,3, 5, and 7. After eliminating these multiples, the numbers you are left with are prime.
Instructional Video3:45
Curated OER

What's Another Definition for Prime and Composite Numbers?

6th - 12th
Simply put, a prime number is a number that is divisible only by one and itself. All other numbers are composite.
Instructional Video3:04
Curated OER

What's a Prime Polynomial?

6th - 12th
The instructor defines a prime polynomial as much the same as a prime number: they only have two factors, 1 and itself. She further demonstrates what a composite polynomial is to give an example of a polynomial that is not prime.
Instructional Video5:33
Math Playground

What is Prime Factorization?

4th - 5th Standards
A teacher describes how to find the prime factors of 525. She starts by describing how to use a factor tree to describe the factors of a number. Next, she uses increasingly difficult examples to illustrate this concept.
Instructional Video6:03
Math Playground

How Do You Find GCF and LCM?

4th - 5th Standards
Using the numbers 225 and 270, the narrator explains how to find the greatest common factor and the least common multiple. This presentation could be used in conjunction with other videos in a series exploring how to identify prime...
Instructional Video4:12
Math Playground

What is a Prime Number?

4th - 5th Standards
Review the characteristics of prime numbers. The narrator begins by defining factors and then goes on to explore the definition of prime numbers. This is a quick and easy way to review prime numbers.
Instructional Video12:26
Khan Academy

MTEL Math Practice Test: 12-15

11th - Higher Ed
This video discusses prime factorization and prime or natural numbers. Sal shows viewers how to solve these problems and one with expressions representing a given volume.
Instructional Video4:25
Curated OER

Prime Numbers Stop Action

5th - 8th
A stop action video demonstrating how 2,3, 5, 7, and 11 are prime numbers. There is no dialogue in the video so the class has to pay attention and be able to read to follow the video. I recommend playing the music on low volume so as not...
Instructional Video1:24
Curated OER

Prime Numbers Song

4th - 7th
Prime numbers are very special numbers. This clip defines what a prime number is and then provides a song to help students remember what they are. This could be a very helpful teaching strategy for kinesthetic learners. Music builds memory.
Instructional Video2:21
Curated OER

Prime Numbers Explained

5th - 8th
Rushton explains prime and composite numbers by showing what numbers can be multiplied to get the numbers 1 - 11. He also explains that 0 and 1 are special numbers.
Instructional Video
Sophia Learning

Sophia: Factoring Monomials: Lesson 2

9th - 10th
This lesson will cover how to factor the coefficient separately from each variable in order to factor a monomial. It is 2 of 11 in the series titled "Factoring Monomials."
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Factor a Greatest Common Factor Out of an Expression

10th - 12th
Knowing how to find the Greatest Common Factor (GCF) is crucial to solving an equation or simplifying an expression. Review for the SAT by watching this tutorial that walks you through the process. [4:57]
Instructional Video
Annenberg Foundation

Annenberg Learner: Mathematics Illuminated: The Primes

9th - 10th
A detailed look at the importance of prime numbers, not only in math, but also in science and in the field of cryptography. [28:27]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Recognizing Prime Numbers

9th - 10th
This video solves a problem asking to determine whether presented numbers are prime, composite, or neither. Practice problems are available. [4:40]