Dividing Fractions: A Lesson
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Lesson Description:
Dividing Fractions.
Courtesy of Mr. Hansen of www.mrhansen.net.
Questions answered by this video:
- What does it mean to divide two numbers?
- What is the definition of division?
- What does 8/2 or 8 divided by 2 mean in words and in pictures?
- What is a dividend, divisor, and quotient?
- How do you divide two numbers that have the same denominator?
- How is dividing a number by 2 the same as multiplying the number by 1/2?
- How can you change from dividing by a fraction to multiplying by its reciprocal?
- How can you find what 1/2 divided by 1/4 equals?
- What does it mean to divide a fraction by another fraction?
- How can you draw a picture to represent a fraction divided by a fraction?
- How can you find 1/2 divided by 1/4 by multiplying by the reciprocal?
- Is there an easy and quick way to divide fractions?
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Staff Review
This introduction to division by fractions starts from the basic idea of division, and what it means for fractions. Pictures are used to explain the concept of fractions to begin with. Then, dividing with common denominators is shown in a simple example. Then, dividing by a fraction is shown to be equivalent to multiplying by its reciprocal. Finally, a fraction divided by another fraction is discussed, and several examples are done. This is a wonderful video for understanding the idea of dividing fractions. -
