Mastering Multiplication of Whole Numbers and Fractions

Mrs. Rothstein teaches 5th graders how to multiply whole numbers and fractions. The lesson includes step-by-step solutions to problems like 4/5 times 7 and calculating the weight of screwdrivers. Students practice converting whole numbers to fractions and simplifying results. The session ends with a final problem and instructions for completing a Google Form.

What is the first step in multiplying a whole number by a fraction?

• Divide the whole number by the fraction

• Subtract the whole number from the fraction

• Convert the whole number to a fraction

• Add the whole number to the fraction

Tags

CCSS.3.NF.A.3C

How do you write the whole number 7 as a fraction?

• 7/0

• 7/1

• 7/7

• 1/7

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

What is the product of 4/5 and 7 in simplest form?

• 7 4/5

• 4 3/5

• 28/5

• 5 3/5

Tags

CCSS.7.RP.A.1

What is the weight of one screwdriver if 8 screwdrivers weigh 3 5/9 pounds?

• 8/9 pounds

• 5/9 pounds

• 3/9 pounds

• 4/9 pounds

Tags

CCSS.3.NF.A.3C

How do you convert the whole number 8 to a fraction?

• 1/8

• 8/8

• 8/1

• 8/0

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

What is the product of 4/9 and 8 in simplest form?

• 32/9

• 8 5/9

• 3 5/9

• 4 5/9

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

What is the product of 1/2 and 4?

• 8

• 4

• 2

• 1/2

Tags

CCSS.3.NF.A.3C

How do you write the whole number 2 as a fraction?

• 2/2

• 1/2

• 2/1

• 2/0

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

What is the product of 2 and 4/5 in simplest form?

• 2 3/5

• 1 4/5

• 1 3/5

• 8/5

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

What is the product of 1/6 and 24?

• 4

• 6

• 24

• 1/6

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B