Education Videos

This article explains how to find the critical numbers of a function, which is a common problem in freshman calculus.

In math, numbers that are not prime numbers have factors that can be found by determining what divides into a particular number evenly. Discover why a prime number's factors are only themselves...

When subtracting mixed numbers with regrouping, solve the equation of the fractions before working on the whole numbers. Discover how to create a matching denominator to subtract mixed numbers...

Using a number line to subtract real numbers, or numbers that are not complex or imaginary, helps give a math equation a visual aid. Move to the left when subtracting real numbers on a number line...

Teaching whole numbers in mathematics requires being interactive constantly with students. Use objects like pies to explain the concept of whole numbers to a mathematics classroom with assistance...

Teaching division with whole numbers is an easy concept if one is familiar with multiplication tables, as the tables work opposite of each other. View examples of how multiplication and division...

Teaching the concept of even numbers in mathematics to kindergartners can be done by having the class stand and breaking them off in pairs. Leave one person as the odd one out to further convey...

When multiplying two-digit numbers, take the first number and multiply it be each of the other numbers. Multiply two-digit numbers and learn about place holders with help from a math author and...

Adding fractions with negative numbers is the same as adding whole numbers with negatives. Find a common denominator when adding fractions with negative numbers with help from a math author and...

When subtracting three digit numbers, use columns to simplify the mathematical process to compare the two numbers. Learn to subtract three digit numbers with tips from a math tutor in this free...

When subtracting fractions from whole numbers, make sure the denominators are equivalent before comparing the fractions together. Learn the mathematical process for subtracting fractions from...

In order to reduce mixed numbers, establish a common denominator so that the fractions can be added together. Learn the mathematical process for reducing mixed numbers with tips from a math tutor...

Adding real numbers together is a mathematical process that requires placing the numbers in columns to calculate the total. Add and subtract real numbers based on their order of operation with...

Numbers were invented at the dawn of time, and number systems were developed through ancient civilizations. Find out who invented numbers with tips from a mathematics instructor in this free video...

The 24 game is a math numbers game in which four numbers are picked and the objective is to figure out what math operations can be used with those numbers to get 24. Discover how operations work...

Sign numbers 16 through 19 using these American Sign Language symbols. Learn sign language for the numbers 16 through 19 in this free video on the American Sign Language from a signing expert.

Sign numbers 20 through 25 using these American Sign Language symbols. Learn sign language for the numbers 20 through 25 in this free video on the American Sign Language from a signing expert.

Sign numbers 26 through 999 using these American Sign Language symbols. Learn sign language for the numbers 26 through 999 in this free video on the American Sign Language from a signing expert.

Sign four-digit numbers using these American Sign Language symbols. Learn sign language for the numbers in the thousands in this free video on the American Sign Language from a signing expert.

Sign numbers in the millions and billions using these American Sign Language symbols. Learn sign language for the numbers in the millions and billions in this free video on the American Sign...

To make sign language numbers easy to understand, be patient and use distinct motions. Master sign language technique using tips in this free video on the American Sign Language from a signing expert.

Sign numbers 1 through 10 using these American Sign Language symbols. Learn sign language for the numbers 1 through 10 in this free video on the American Sign Language from a signing expert.

Sign numbers 11 through 15 using these American Sign Language symbols. Learn sign language for the numbers 11 through 15 in this free video on the American Sign Language from a signing expert.

In American sign language, sign large numbers by spelling them out. Learn to sign numbers with practice tips from a sign language instructor in this free video about basic sign language.

In order to help students understand what prime numbers and composite numbers are, it's useful to use number tables. Find out how to use math Jeopardy as a way to teach prime and composite numbers...

A prime number is a positive whole number with exactly two factors, which are one and itself. Identify a variety of prime numbers, such as seven and 11, with help from a math teacher in this free...

A set is defined as a collection of objects and is often used in math to describe lists of numbers that can be compared. Consider using a Venn diagram to show and compare two sets of numbers with...

Venn diagram problems are used to calculate the differences and similarities between two or three sets of numbers using a visual diagram. Illustrate different sets of numbers by doing a Venn...

Children who write letters and numbers backwards are often just learning to read and write, but if it continues past the age of 7 or 8, evaluations are helpful to pinpoint the root problem....

Means and extremes in algebra refer to ratios and proportions, with the mean being the middle numbers and the extreme being the outside numbers of the equation. Find out how to determine the means...

Tricks with numbers are a great way to impress friends and work on basic math skills, such as addition, subtraction and division. Learn a fun math trick using numbers and a friend with information...

Composite numbers are integers greater than one that possess multiple factors. A composite number can also be defined as any number that is not a prime number. Learn about some examples of...

Convert whole numbers to percentages by placing a decimal point after the number, and then shifting the decimal point two places to the right. Fill the empty space behind the number with zeros to...

Find the median of a series of numbers by ordering the numbers from lowest to highest and finding the number in the middle. If there is an even amount of numbers in a series, determine the average...

Find the average of a series of numbers by adding all of the numbers together and dividing by the amount of numbers in the series. Use simple addition and division to find the average of a set of...

Find the mean of a series of numbers by adding all of the numbers together and dividing by the amount of numbers in the series. Learn how the average of numbers is the same as the mean with...

Numbers were first recorded around 30,000 BC as tally marks and eventually evolved into a number system by the Mesopotamians and the Egyptians between 3400 BC and 3100 BC. Find out how negative...

To round numbers in math, determine whether the second digit in the number is more than five or less than five. Round up for numbers more than five and down for numbers four and fewer. Round...

Find the mean of a series of numbers by adding all of the numbers together and dividing by the amount of numbers in the series. Learn how the average of numbers is the same as the mean with...

The definition of an axis in math is a number line that implies motion through positive numbers, negative numbers and zero as mapped on a graph. Define an axis, such as an x-axis and a y-axis,...

In order to make solving proportions with mixed numbers easier, simply turn the mixed number into an improper fraction. Solve proportions with mixed numbers by using cross multiplication with help...

Always start with the pinky touching your thumb for ASL numbers. Learn the basics of American Sign Language in this free education video.

Learn how to sign the numbers 7, 8, 9, and 10, in this free sign language video lesson.

Learn how to sign numbers 1 through 10 sign language numbers, in this free sign language video tutorial.

Learn how to sign the numbers 1,2, and 3 and how to sign "twice" and "three times", in this free sign language video lesson.

Learn how to sign the numbers 4,5, and 6, in this free sign language video lesson.

Learn common French phrases for dealing with numbers in this free online foreign language video lesson.

Start Montessori counting odd and even numbers by taking and putting numerals out in a line. Learn various ways of teaching children odd and even numbers in this free educational video about...

Teaching numbers to preschooler can be challenging. Learn how Montessori teaches numbers through games in this free educational video clip about Montessori math methods.

Teach kids numbers with tips in this free video clip on kindergarten education.