Multiplying Fractions by a Whole Number Using Visual Models

This lesson teaches how to multiply fractions by whole numbers using visual fraction models. It explains the concepts of numerators and denominators, and demonstrates multiplication as repeated addition. The lesson includes examples of multiplying 1/4 by 5 and 2/3 by 4, showing how to convert improper fractions to mixed numbers using visual models.

What does the numerator in a fraction represent?

• The number of whole numbers

• The total value of the fraction

• The number of shaded parts in a visual model

• The total number of parts in a whole

When multiplying a fraction by a whole number, what remains unchanged?

• The numerator

• The whole number

• The denominator

• The visual model

How can you express an improper fraction as a different type of number?

• As a percentage

• As a whole number

• As a decimal

• As a mixed number

In the example of multiplying 4 by 2/3, what is the numerator of the resulting fraction?

• 4

• 8

• 6

• 3

What is the mixed number form of the improper fraction 8/3?

• 2 1/3

• 2 2/3

• 3 2/3

• 3 1/3