Divide Fractions and Mixed Numbers

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In this problem, what is the FIRST thing you have to do before you divde? $2\frac{1}{3}\div\frac{7}{9}$  

• Keep, Change, Flip

• Find the reciprocal of  $\frac{7}{9}$  

• Change  $2\frac{1}{3}$  into an improper fraction.

• Just go for it and divide right away

Tags

CCSS.6.NS.A.1

What is  $2\frac{1}{3}$  as an improper fraction?

•  $\frac{2}{3}$  

•  $\frac{6}{3}$  

•  $\frac{7}{3}$  

•  $\frac{8}{3}$  

Tags

CCSS.3.NF.A.1

In this problem, what is the SECOND thing you have to do? $2\frac{1}{3}\div\frac{7}{9}$  

• Keep, Change, Flip

• Find the reciprocal of  $\frac{7}{9}$  

• Change  $2\frac{1}{3}$  into an improper fraction.

• Just go for it and divide right away

Tags

CCSS.5.NF.B.3

What is the reciprocal of $\frac{7}{9}$  ? (HINT: Remember that means to flip the numerator and denominator!)

•  $\frac{7}{9}$  

•  $-\frac{7}{9}$  

•  $\frac{9}{7}$  

•  $\frac{14}{18}$  

Tags

CCSS.5.NF.B.3

Once our fractions are set up, what is our method for dividing fractions?

• Change, Flip, Keep

• Keep, Change, Flip

• Flip, Change, Keep

• Keep, Flip, Change

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

Solve:  $2\frac{1}{3}\div\frac{7}{9}$  

•  $3\frac{1}{3}$  
  

• 5

•  $2\frac{7}{9}$  

• 3

Tags

CCSS.5.NF.B.3

Write the whole number 5 as a fraction.

•  $\frac{1}{5}$  

•  $5\frac{1}{5}$  

•  $1\frac{1}{5}$  

•  $\frac{5}{1}$  

Tags

CCSS.3.NF.A.1

Solve $5\div\frac{3}{4}$  

• 6

•  $\frac{20}{3}$  or  $6\frac{2}{3}$  

• 7

•  $\frac{19}{4}$  or  $4\frac{3}{4}$  

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

Solve $\frac{8}{9}\div1\frac{2}{3}$ 

•  $\frac{8}{15}$  

•  $2\frac{2}{3}$  

• 3

•  $\frac{1}{2}$  

Tags

CCSS.5.NF.B.3