Mastering Multiplication of Fractions and Whole Numbers

This video tutorial teaches how to multiply fractions by whole numbers using repeated addition. It begins with an introduction to the concept, followed by a detailed example involving distributing cupcakes among students. The tutorial encourages students to practice the concept independently and concludes with another example using a cookie recipe. The video emphasizes understanding multiplication as repeated addition and converting improper fractions to mixed numbers.

What is the main topic of today's lesson?

• Adding whole numbers

• Multiplying fractions by whole numbers using repeated addition

• Dividing fractions by whole numbers

• Subtracting fractions from whole numbers

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How can you represent 4 * 6 using repeated addition?

• 4 + 4 + 4

• 4 + 4 + 4 + 4 + 4 + 4

• 6 + 6 + 6

• 6 + 6 + 6 + 6

Tags

CCSS.3.OA.A.1

If Mr. Good gave 1/3 of a cupcake to each of his 8 students, how can this be represented as a multiplication problem?

• Both A and B

• 1/3 * 8

• 8 * 1/3

• None of the above

Tags

CCSS.5.NF.B.4A

How many 1/3 cupcakes are given out in total to 8 students?

• 6/3

• 7/3

• 8/3

• 9/3

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What is 8/3 as a mixed number?

• 3 and 1/3

• 2 and 2/3

• 2 and 1/3

• 3 and 2/3

If a cookie recipe calls for 3/4 cup of sugar, how much sugar is needed for 5 batches?

• 3 and 1/4 cups

• 3 and 2/4 cups

• 3 and 3/4 cups

• 4 cups

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How can you represent 3/4 * 5 using repeated addition?

• 3/4 + 3/4 + 3/4 + 3/4 + 3/4

• 3/4 + 3/4 + 3/4 + 3/4

• 3/4 + 3/4 + 3/4

• 3/4 + 3/4 + 3/4 + 3/4 + 3/4 + 3/4

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What is the improper fraction form of 3/4 * 5?

• 15/4

• 13/4

• 14/4

• 12/4

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How do you convert 15/4 to a mixed number?

• 3 and 2/4

• 3 and 3/4

• 3 and 1/4

• 4 and 1/4

What is the final answer for the amount of sugar needed for 5 batches of cookies?

• 3 and 1/4 cups

• 3 and 3/4 cups

• 4 cups

• 3 and 2/4 cups

Tags

CCSS.7.EE.B.3