Multiplying a Whole Number by a Fraction

The video tutorial explains how to multiply a whole number by a fraction by viewing it as repeated addition of fractional parts. It provides examples, such as multiplying 4 by 1/8 and 8 by 1/3, demonstrating how to convert improper fractions to mixed numbers. The tutorial also includes practical problems like distributing cupcakes and calculating sugar for cookie recipes, reinforcing the concept of fraction multiplication.

What does multiplying a whole number by a fraction represent?

• Adding the fraction to itself multiple times

• Subtracting the fraction from the whole number

• Multiplying the fraction by itself

• Dividing the whole number by the fraction

In the cupcake example, how many whole cupcakes did Mr. Goode give out?

• One and a half cupcakes

• Two and two-thirds cupcakes

• Three cupcakes

• Two cupcakes

How is the improper fraction 8/3 converted into a mixed number?

• By adding 3 to 8

• By dividing 8 by 3

• By multiplying 8 by 3

• By subtracting 3 from 8

How much sugar is needed for 5 batches of cookies if each batch requires 3/4 cup?

• 3 3/4 cups

• 4 cups

• 2 1/2 cups

• 3 1/2 cups

What is the result of multiplying 5 by 3/4?

• 12/4

• 9/4

• 10/4

• 15/4