Mastering Multiplication of Fractions

In this video, Mr. J teaches fifth-grade students how to multiply fractions, specifically focusing on multiplying a fraction by another fraction. The video includes four example problems, each demonstrating the process of multiplying the numerators and denominators, followed by simplifying the resulting fraction. Mr. J emphasizes the importance of checking for common factors to simplify the fractions. The video concludes with a recap of the steps involved in multiplying fractions.

What is the first step in multiplying two fractions?

• Add the numerators

• Multiply across the numerators and denominators

• Subtract the denominators

• Divide the numerators

What is the correct first step in multiplying fractions?

• Find the common denominator

• Simplify the fractions

• Multiply the numerators together and the denominators together

• Convert to mixed numbers

What is the result of multiplying 2/5 by 1/3?

• 2/8

• 2/15

• 3/8

• 1/15

After multiplying fractions, what should you always check for?

• If the fraction can be simplified

• If you can convert it to a decimal

• If the numerator is greater than the denominator

• If it can be converted to a mixed number

How do you simplify the fraction 6/28?

• 3/7

• 2/7

• 1/4

• 3/14

What is the greatest common factor used to simplify 6/28?

• 4

• 6

• 3

• 2

What is the result of 2/3 times 2/3?

• 4/6

• 4/9

• 2/6

• 1/2

Can the fraction 4/9 be simplified further?

• Yes, to 1/2

• No, it's already in simplest form

• Yes, to 2/4

• Yes, to 2/3

What is the simplified form of 10/18?

• 5/8

• 2/3

• 1/2

• 5/9

What is the simplified result of 5/6 times 2/3?

• 10/18

• 2/3

• 5/9

• 1/2