Multiplying Fractions and Whole Numbers

This video tutorial teaches how to multiply a whole number by a fraction, using real-life examples like cooking and sharing. It explains the process through models, repeated addition, and number lines, providing practice problems to reinforce learning.

In which real-life scenario might you need to multiply a whole number by a fraction?

• Measuring the height of a building

• Finding the perimeter of a square

• Doubling a recipe

• Calculating the area of a rectangle

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What happens to the denominator when you multiply a fraction by a whole number?

• It becomes zero

• It stays the same

• It triples

• It doubles

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How can you think of multiplying a fraction by a whole number?

• As finding the average

• As subtraction

• As repeated addition

• As division

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What is the result of four times one-eighth using repeated addition?

• Two-eighths

• Eight-fourths

• One-eighth

• Four-eighths

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which tool can be used to visually represent the multiplication of fractions?

• A protractor

• A number line

• A compass

• A ruler

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What is the result of eight times two-twelfths on a number line?

• Four-twelfths

• Sixteen-twelfths

• Two-twelfths

• Twelve-twelfths

Tags

CCSS.3.NF.A.3C

What is the mixed number form of sixteen-twelfths?

• Two and two-twelfths

• One and two-twelfths

• Two and four-twelfths

• One and four-twelfths

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the result of four times four-eighths?

• Four-eighths

• Sixteen-eighths

• Twelve-eighths

• Eight-eighths

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the result of three times two-eighths?

• Two-eighths

• Six-eighths

• Four-eighths

• Eight-eighths

Tags

CCSS.7.EE.B.3

What should you do if you want to review other math topics like mixed numbers or area?

• Ask a friend for help

• Check out other videos on the channel

• Watch the same video again

• Read a math textbook

Tags

CCSS.7.EE.B.3