Multiplying Fractions by a Whole Number: Repeated Addition

This lesson teaches how to multiply fractions by whole numbers using repeated addition and equations. It explains the concepts of numerators and denominators, and demonstrates how to convert improper fractions to mixed numbers. The video provides examples of multiplying fractions like 1/4 and 1/3 by whole numbers, showing both repeated addition and equation methods to achieve the same result.

What does the numerator in a fraction represent?

• The number of whole numbers

• The number of shaded parts in a whole

• The number of repeated additions

• The total number of parts in a whole

How can you multiply a fraction by a whole number?

• By adding the denominators

• By subtracting the numerators

• By using repeated addition

• By dividing the whole number

What is the result of multiplying 1/4 by 5?

• 5/4

• 1/4

• 4/5

• 1 and 1/4

When multiplying 1/3 by 4, what is the improper fraction obtained?

• 3/1

• 4/3

• 3/4

• 1/3

How can you convert an improper fraction to a mixed number?

• By subtracting the denominator from the numerator

• By multiplying the numerator by the denominator

• By dividing the numerator by the denominator

• By adding the numerator and denominator