Multiplying a Whole by a Fraction

The video tutorial explains how whole numbers can be expressed as fractions by placing them over 1. It introduces a problem involving Mrs. Williams' class, where 3/4 of the students are right-handed. The tutorial demonstrates how to calculate a fraction of a whole number by multiplying fractions, using the example of finding 3/4 of 20. The process involves expressing 20 as a fraction, multiplying numerators and denominators, and interpreting the result as division to find the number of right-handed students. The lesson concludes with a recap of the multiplication process to find fractions of whole numbers.

What is the relationship between the whole number 20 and the fraction 20 over 1?

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How can any whole number be expressed as a fraction?

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If Mrs. Williams has 20 students and 3/4 of them are right-handed, how do you calculate the number of right-handed students?

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What operation do you perform to find 3/4 of a number?

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What is the final answer when calculating 3/4 of 20?

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