Multiplying Fractions by Fractions Using Area Models

This video tutorial teaches how to multiply fractions using area models. It begins with an introduction to the concept of multiplying fractions, followed by an explanation of what it means to find a fraction of a number, using 1/4 of 1 as an example. The tutorial highlights common mistakes students make when modeling fraction multiplication. It then applies these concepts to a real-world problem involving cookies at Tammy's Bakery, demonstrating how to use area models to find the fraction of cookies with both vanilla frosting and lemon filling. By the end, viewers will understand how to multiply fractions using area models effectively.

What does it mean to multiply a number by a fraction?

• To add the fraction to the number

• To divide the number by the fraction

• To take the fractional part of the number

• To subtract the fraction from the number

What is a common mistake students make when modeling fraction multiplication?

• Subtracting the numerators and denominators

• Adding both numerators and denominators

• Multiplying the numerators and adding the denominators

• Dividing the numerators and multiplying the denominators

In the context of Tammy's Bakery, what fraction of cookies have both vanilla frosting and lemon filling?

• 4/15

• 1/3

• 2/5

• 1/5

How many parts do we divide the whole into when modeling 4/5?

• 15 parts

• 3 parts

• 4 parts

• 5 parts

What is the result of multiplying 1/3 by 4/5 using area models?

• 1/15

• 1/3

• 4/5

• 4/15