Instructional Video4:51
Curated Video

Prime Numbers

3rd - 5th
Find prime numbers for large numbers.
Instructional Video19:18
msvgo

Divisibility Rules 1

K - 12th
It explains divisibility rules including divisibility by 2, 3, 4, 5, 6, 8, 9, 10 and 11. It also provides examples to show the application of the divisibility rules.
Instructional Video4:56
Curated Video

Dividing Fractions by Dividing Across Numerators and Denominators

K - 5th
This video provides a lesson on dividing fractions by dividing across the numerators and denominators. The instructor explains the concept of divisibility and showcases examples of how to use the divide across strategy to solve division...
Instructional Video5:21
Professor Dave Explains

Divisibility, Prime Numbers, and Prime Factorization

12th - Higher Ed
Understanding prime numbers.
Instructional Video5:28
Curated Video

Determining Multiples of 4 and 7 Using Divisibility Rules

K - 5th
In this video, the teacher explains how to determine if a whole number is a multiple of 4 or 7 using divisibility rules. The teacher demonstrates the rule for divisibility by 4, which involves looking at the last two digits of the...
Instructional Video6:11
Curated Video

Determining Multiples of 2, 3, and 6 Using Divisibility Rules

K - 5th
In this video, the teacher explains how to determine if a whole number is a multiple of 2, 3, or 6 using divisibility rules. The teacher demonstrates how to apply the rules for each number and provides examples to illustrate the concept.
Instructional Video5:59
Curated Video

Determining Divisibility: Multiples of 2-5 and Ten

K - 5th
In this video, the teacher explains how to determine if a whole number is a multiple of 2, 5, or 10 by using divisibility rules. The teacher reviews multiplication fact families and demonstrates how to identify factors and multiples. The...
Instructional Video9:15
Why U

Pre-Algebra 09 - Division and Prime Numbers

12th - Higher Ed
The building blocks of all natural numbers are the prime numbers. The early Greeks invented the system still used today for separating natural numbers into prime and composite numbers.
Instructional Video4:01
Curated OER

What Does Divisibility Mean?

3rd - 7th
What do divisibility and factoring have to do with each other? Well, if a whole number is the divisor and a whole number is the answer then both those numbers are factors of the number being divided. But if the answer is a decimal number...
Instructional Video
Math Playground

Math Playground: Divisibility Rules

3rd - 5th
This video illustrates the divisibility rules for factors 2, 3, 4, 5, 6, 8, 9 and 10.
Instructional Video
Khan Academy

Khan Academy: Prime Numbers: Prime Numbers

4th - 8th Standards
Video identifying prime numbers.
Instructional Video
Loyola University Chicago

Math Flix: Divisibility Rules

4th - 8th
This QuickTime movie provides an opportunity to learn and practice the divisibility rules. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Instructional Video
Sophia Learning

Sophia: Divisibility: Lesson 1

3rd - 4th Standards
This lesson grouping provides students with a wide variety of tricks and techniques to determine if one number is divisible by another number. It is 1 of 6 in the series titled "Divisibility."
Instructional Video
Sophia Learning

Sophia: Even Numbers: Lesson 2

2nd - 4th Standards
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 2 of 13 in the series titled "Even Numbers."
Instructional Video
Sophia Learning

Sophia: Even Numbers: Lesson 3

2nd - 4th Standards
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 3 of 13 in the series titled "Even Numbers."
Instructional Video
Sophia Learning

Sophia: Even Numbers: Lesson 4

2nd - 4th Standards
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 4 of 13 in the series titled "Even Numbers."
Instructional Video
Sophia Learning

Sophia: Even Numbers: Lesson 7

2nd - 4th Standards
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 7 of 13 in the series titled "Even Numbers."
Instructional Video
Sophia Learning

Sophia: Even Numbers: Lesson 1

2nd - 4th Standards
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 1 of 13 in the series titled "Even Numbers."
Instructional Video
Sophia Learning

Sophia: Zero and Divisibility: Lesson 3

7th - 8th
This video discusses the fact that dividing by zero is impossible and so no numbers are divisible by zero. This lesson is 3 of 7 in the series titled "Zero and Divisibility."
Instructional Video
Sophia Learning

Sophia: Zero and Divisibility: Lesson 1

7th - 8th
This video discusses the fact that dividing by zero is impossible and so no numbers are divisible by zero. This lesson is 1 of 7 in the series titled "Zero and Divisibility."
Instructional Video
Sophia Learning

Sophia: Divisibility: Lesson 2

3rd - 4th Standards
This lesson grouping provides students with a wide variety of tricks and techniques to determine if one number is divisible by another number. It is 2 of 6 in the series titled "Divisibility."