Multiplying Fractions
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Lesson Summary:
In this lesson on multiplying fractions, Mr. Hansen uses visual aids to demonstrate the concept. Using everyday objects such as a pan of lasagna, he shows how multiplying fractions involves taking a piece of a piece, resulting in a smaller product. Through examples such as 1/2 times 3/4 and 2/3 times 1/5, he highlights how the denominator of the answer represents equal parts of a whole, while the numerator shows how many of those parts are shaded. Overall, this video tutorial provides a clear understanding of how multiplying fractions works.
Lesson Description:
A video tutorial presenting a visual examination of how multiplying fractions really works.
Courtesy of Mr. Hansen of www.mrhansen.net.
Questions answered by this video:
- How do you multiply fractions?
- Why does 2*3 mean 2 groups of 3?
- What does multiplying fractions really mean?
- When you multiply two numbers, is the product always larger than the two numbers you began with?
- What does 1/2 * 3/4 mean?
- How can you draw a picture to represent multiplying fractions?
- What is 1/2 of 3/4?
- How do you multiply 2/3 * 1/5?
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Staff Review
This video starts off by explaining what it means to multiply. 2*3 is shown as two groups of three boxes. We then examine whether multiplying two numbers always leads to a larger result. Pictures are used to explain the idea of multiplying fractions. This is a great video for students struggling with the concept of fractions multiplied by fractions.
