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.

How can the number 20 be expressed as a fraction?

• 2 over 20

• 1 over 20

• 20 over 1

• 20 over 2

If 9 is expressed as a fraction, what would it be?

• 9 over 0

• 9 over 9

• 1 over 9

• 9 over 1

What fraction of Mrs. Williams' class is right-handed?

• 1/4

• 3/4

• 1/2

• 2/3

What operation is suggested by the word 'of' in the context of fractions?

• Division

• Multiplication

• Subtraction

• Addition

How many right-handed students are there in Mrs. Williams' class?

• 18

• 10

• 12

• 15