Instructional Video
Virtual Nerd

Virtual Nerd: What Are Multiplicative Inverses?

7th - 9th
Numbers that when multiplied together equal 1 are called multiplicative inverses or reciprocals of each other. Learn about multiplicative inverses by watching this tutorial. [1:37]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Do Long Division With Decimals?

7th - 9th
Watch this video lesson to learn how to do long division problems with decimals. You won't always be allowed to use a calculator! [2:18]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Subtract Fractions With Different Denominators?

7th - 9th
Watch how to subtract fractions with different denominators by finding a common denominator. [3:27]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Subtract Fractions With the Same Denominator?

7th - 9th
To subtract fractions with like denominators just subtract the numerators and put the result over the common denominator. Watch this video tutorial to see the process in action. [1:54]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Turn a Mixed Fraction Into an Improper Fraction?

7th - 9th
Video tutorial demonstrates how to convert a mixed fraction to an improper fraction. [1:11]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Multiply Fractions?

7th - 9th
Watch this tutorial to explore the process for multiplying 3 very simple fractions. [1:09]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Add Fractions With Different Denominators?

7th - 9th
Watch this video tutorial to see how to add fractions with different denominators together. First, you're going to need a common denominator. [1:57]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Add Fractions With the Same Denominator?

7th - 9th
In this video tutorial, learn how easy it is to add up fractions once they have the same denominator. [0:50]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Rational Number?

7th - 9th Standards
View this video tutorial to learn about rational numbers. [1:38]
Instructional Video
Virtual Nerd

Virtual Nerd: What's the Reciprocal Rule of Division

7th - 9th
This tutorial explains the rule that makes it possible to rewrite division as multiplication. [8:52]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Reciprocal?

7th - 9th
In this tutorial, learn the basics about reciprocals which are important in dividing fractions, finding perpendicular lines, and dealing with inverse proportions. [5:54]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Turn an Improper Fraction Into a Mixed Fraction?

7th - 9th
In math, it's often important to change a fraction from one type to another. This tutorial shows you how to convert an improper fraction to a mixed fraction. [1:09]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Subtract Decimals?

7th - 9th
Video tutorial explains how to subtract decimals by hand. [1:31]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Add Decimals?

7th - 9th
Video tutorial explores how to add decimals by hand with paper and pencil. [3:18]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Multiply Decimals?

9th - 10th
Learn how to multiply decimals by hand in this video tutorial. [4:35]
Instructional Video
Virtual Nerd

Virtual Nerd: What Are Trailing Zeros?

9th - 10th
Watch this video tutorial to learn about the zeros that come at the end of a decimal number. [2:04]
Instructional Video
Virtual Nerd

Virtual Nerd: Solve Problem Using an Equation Where You're Multiplying Fractions

7th - 9th
Video tutorial shows how to take a word problem, translate it into a mathematical equation involving fractions, then solve it. [4:27]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve an Equation Where You're Multiplying Fractions?

9th - 10th
This video tutorial shows how to convert a mixed fraction to an improper fraction in order to solve an equation. [3:18]
Instructional Video
Virtual Nerd

Virtual Nerd: Solve a Word Problem Using a Two Step Equation With Decimals

7th - 9th
In this tutorial, you will learn how to translate a word problem into a mathematical equation, solve that equation, and check the answer. [3:31]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Repeating Decimal?

9th - 10th
Learn about repeating decimals in this video tutorial. [5:09]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Terminating Decimal?

9th - 10th
Did you know that all terminating decimals can be rewritten as fractions? Watch this video tutorial to learn about terminating decimals and see some examples. [3:41]
Instructional Video
Virtual Nerd

Virtual Nerd: What Is Place Value?

9th - 10th
This video tutorial introduces the term place value and shows some of the most seen place values. [6:47]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Turn an Integer Into a Fraction?

9th - 10th
Watch this video tutorial to see how to turn any integer into a fraction. Just put that integer as the numerator of a fraction with a denominator of 1. [3:57]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Divide Mixed Numbers?

9th - 10th
This video tutorial shows how to divide mixed fractions by converting each to an improper fraction then multiplying by the reciprocal of the divisor. [5:45]