Dividing Whole Numbers by Fractions

This video tutorial explains how to divide whole numbers by fractions using the 'keep, change, flip' method. It provides multiple examples, including dividing 12 by 2/3, 9 by 6/5, 24 by 16/3, and a challenge problem of 36 by 54/12. The video emphasizes rewriting whole numbers as fractions, changing division to multiplication, finding reciprocals, and simplifying results.

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

• Rewrite the whole number as a fraction over 1

• Multiply the whole number by the fraction

• Subtract the fraction from the whole number

• Add the whole number to the fraction

When dividing a whole number by a fraction, what do you do after rewriting the whole number as a fraction?

• Add the fractions

• Subtract the fractions

• Multiply the fractions directly

• Find the reciprocal of the second fraction

In the example of dividing 9 by 6/5, what is the reciprocal of 6/5?

• 6/5

• 5/6

• 1/6

• 5/9

What is the simplified result of dividing 9 by 6/5?

• 15/2

• 45/6

• 9/5

• 3/2

Tags

CCSS.5.NF.B.6

Before multiplying fractions, why is it beneficial to simplify the numbers first?

• It is not necessary

• It changes the result

• It reduces the complexity of multiplication

• It makes the numbers larger

What is the result of dividing 24 by 16/3 after simplification?

• 6/4

• 8/3

• 9/2

• 12/5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

In the challenge problem, what is the reciprocal of 54/12?

• 54/12

• 12/54

• 9/6

• 6/9

What is the simplified result of dividing 36 by 54/12?

• 7

• 9

• 8

• 6

Tags

CCSS.6.EE.A.1

Which of the following is a correct breakdown of 36 for simplification?

• 9 x 5

• 8 x 3

• 7 x 4

• 6 x 6

What is the final step in solving a division problem involving a whole number and a fraction?

• Add the fractions

• Multiply across and simplify

• Subtract the fractions

• Divide the fractions