Mastering Multiplication of Fractions and Whole Numbers

This video tutorial covers fraction and whole number multiplication without using models. It begins with an essential question and proceeds to solve real-world problems, such as Charlene's sand art and bread loaves examples. The tutorial emphasizes understanding through practice problems and addresses common errors in fraction multiplication.

What is the total weight of sand Charlene uses from each bag?

• 1/2 pound

• 3/8 pound

• 5/8 pound

• 1 pound

Tags

CCSS.5.MD.B.2

How many total pounds of sand does Charlene use for her art project?

• 1 3/4 pounds

• 1 1/2 pounds

• 2 pounds

• 1 7/8 pounds

Tags

CCSS.7.EE.B.3

What is the mixed number form of 15/8?

• 1 7/8

• 2 1/8

• 1 3/4

• 1 5/8

What fraction of each loaf of bread does Christian use?

• 1/2

• 2/3

• 3/4

• 1/3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many loaves of bread are used in total by Christian's classmates?

• 2 1/2 loaves

• 3 loaves

• 2 2/3 loaves

• 3 1/3 loaves

Tags

CCSS.7.EE.B.3

What is the result of multiplying 4 by 7/8?

• 3 1/2

• 4

• 3 3/4

• 3

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How many sets of eight are inside 32?

• 6 sets

• 3 sets

• 5 sets

• 4 sets

Tags

CCSS.3.OA.A.3

What is the correct way to multiply a whole number by a fraction?

• Multiply by the denominator

• Multiply by the numerator

• Divide by the numerator

• None of the above

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

If you multiply 5 by 12/9, what is the simplified form of the result?

• 6 2/3

• 5 1/3

• 6 1/2

• 5 2/3

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What common error do students make when multiplying whole numbers by fractions?

• Multiplying by the denominator

• Adding the numerator

• Subtracting the denominator

• Dividing the numerator

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C