Mastering Multiplication of Fractions and Mixed Numbers

In this video, Mr. J explains how to multiply fractions by fractions, whole numbers, and mixed numbers through four examples. He demonstrates the process of multiplying numerators and denominators directly, simplifying results, and converting improper fractions to mixed numbers. The video covers converting whole numbers and mixed numbers to fractions to facilitate multiplication, ensuring students understand each step clearly.

What is the first step when multiplying fractions?

• Find a common denominator

• Multiply the numerators and denominators directly

• Convert fractions to decimals

• Add the numerators and denominators

Tags

CCSS.5.NF.B.6

What is the simplified form of 3/24?

• 1/6

• 1/4

• 1/12

• 1/8

What is the product of 2/7 and 5/11?

• 12/77

• 14/77

• 10/70

• 10/77

Tags

CCSS.5.NF.B.6

How do you convert a whole number to a fraction?

• Multiply it by 2

• Divide it by 2

• Put it over 1

• Subtract 1 from it

Tags

CCSS.3.NF.A.3C

What is the result of multiplying 2/3 by 9?

• 9/2

• 3

• 18/3

• 6

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

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

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

• Add the numerator and the denominator

• Subtract the numerator from the denominator

What is the first step when multiplying a mixed number by a fraction?

• Convert the mixed number to an improper fraction

• Find a common denominator

• Add the mixed number and the fraction

• Convert the fraction to a decimal

Tags

CCSS.5.NF.B.6

What is the improper fraction form of 2 2/4?

• 12/4

• 6/4

• 8/4

• 10/4

What is the product of 10/4 and 3/5?

• 25/20

• 15/20

• 30/20

• 20/30

Tags

CCSS.5.NF.B.6

What is the simplified form of 1 10/20?

• 1 1/5

• 1 1/2

• 1 1/4

• 1 1/3