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Virtual Nerd
How Do You Divide Fractions?
You want me to what? Divide fractions? Ok, breathe. Would it be better if you multiplied those fractions? Find out how to change a division of fractions into a multiplication of fractions.
Curated OER
What are the Inverse Properties of Addition and Multiplication?
The instructor demonstrates that when you add the opposite value of a given number to that number you will always get zero. Then she shows how multiplying by the inverse of any number except zero will equal 1.
Mathispower4u
Identify Multiplication Properties of Real Numbers
Let your knowledge of properties multiply! A brief YouTube video covers the multiplication properties of real numbers. It describes the commutative property, the associative property, the additive identity, and the additive inverse.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Dividing Fractions
This video explains how to divide two fractions. Practice problems are available. [8:59]
Khan Academy
Khan Academy: Algebra: Ca Algebra I: Number Properties and Absolute Values
An explanation of the first seven problems on the California Algebra I released test. [12:02]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Inverse Property of Multiplication
This video shows the inverse property of multiplication and its relation to division. Practice problems are available. [3:16]
Sophia Learning
Sophia: Moving the Variable
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. Students watch a video tutorial and then take an online quiz.
Math Mammoth
Math Mammoth: How to Divide Fractions and Reciprocal Numbers
Explains what a reciprocal number is, also called a multiplicative inverse, and how to use the reciprocal to divide a number or a fraction by a fraction. [10:32]
Virtual Nerd
Virtual Nerd: How Do You Divide Fractions?
This video tutorial teaches how to divide fractions by changing that division to a multiplication by multiplying the dividend by the reciprocal of the divisor. [3:28]
Sophia Learning
Sophia: Dividing Rational Numbers
Explore how the multiplicative inverse can be used to divide rational numbers. Assess learning with a quiz.
Khan Academy
Khan Academy: Multiplying and Dividing Fractions: Dividing Fractions
This video provides a clear explanation and plenty of examples of dividing fractions.
Imagine Learning Classroom
Learn Zillion: Dividing by a Number Is the Same as Multiplying by Its Reciprocal
In this lesson, you will learn that dividing by a number gives the same result as multiplying by its reciprocal by thinking about equivalence. [4:50]
Imagine Learning Classroom
Learn Zillion: Solve Division of Fractions Problems Using Reciprocals
In this lesson, you will learn how to solve fraction division problems by using reciprocals along with the inverse operation, multiplication. Login gives access to two additional videos. [4:58]
Khan Academy
Khan Academy: Multiplying and Dividing Fractions: Dividing Fractions Example
This video explains how to divide two fractions and write the answer as a mixed number.
Khan Academy
Khan Academy: Arithmetic Properties: Inverse Property of Multiplication
Simple idea that multiplying by a numbers multiplicative inverse gets you back to one
Sophia Learning
Sophia: Moving the Variable: Lesson 10
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 10 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Moving the Variable: Lesson 3
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 3 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Moving the Variable: Lesson 4
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 4 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Moving the Variable: Lesson 5
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 5 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Moving the Variable: Lesson 9
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 9 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Moving the Variable: Lesson 1
Demonstrated in this lesson is that a variable, like a number, has inverses; and what to do with those variables when they have coefficients. It is 1 of 14 in the series titled "Moving the Variable."
Sophia Learning
Sophia: Multiplication and Division in Equations: Lesson 3
This lesson will explore isolating a variable through multiplying by the inverse when the variable has a coefficient or divisor. It is 3 of 8 in the series titled "Multiplication and Division in Equations."
Sophia Learning
Sophia: Multiplication and Division in Equations: Lesson 4
This lesson will explore isolating a variable through multiplying by the inverse when the variable has a coefficient or divisor. It is 4 of 8 in the series titled "Multiplication and Division in Equations."
Sophia Learning
Sophia: Multiplication and Division in Equations: Lesson 5
This lesson will explore isolating a variable through multiplying by the inverse when the variable has a coefficient or divisor. It is 5 of 8 in the series titled "Multiplication and Division in Equations."