Multiply & Divide Fractions

 $10\ \times\ \frac{1}{5}$  (Write 10 over 1. Multiply straight across. Simplify!)

• 222

• 2

• 1/2

• 22

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

 $\frac{1}{6}\times18$  (Write 18 over 1. Multiply straight across. Simplify.)

• 1/3

• 33

• 3

• 333

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

 $\frac{1}{4}\times\frac{3}{5}$  (Multiply straight across.)

• 20

• 3

• 20/3

• 3/20

Tags

CCSS.5.NF.B.6

 $\frac{1}{3}\times\frac{1}{4}\ \times\frac{1}{5}$  (Just multiply all 3 straight across.)

• 1/60

• 1

• 60

• 61

Tags

CCSS.5.NF.B.6

 $\frac{1}{3}\times1\ \frac{1}{4}$  (Change  $1\ \frac{1}{4}$   to an improper fraction first! Do the C! Then multiply straight across.)

• 12/5

• 5/12

• 5

• 12

Tags

CCSS.5.NF.B.6

 $2\ \div\frac{1}{3}$  (Write 2 over 1! Keep Change Flip!)

• 1/6

• 1

• 6

• 2/3

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

 $8\ \div\frac{4}{5}$  (Write 8 over 1 first! Keep Change Flip! Simplify)

• 40

• 32/5

• 10

• 2/5

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.4

 $\frac{3}{8}\div\frac{11}{12}$  (Keep Change Flip! Simplify. You may want to cross cancel here.)

• 9

• 22

• 22/9

• 9/22

Tags

CCSS.6.NS.A.1

 $7\ \div\ 1\ \frac{1}{9}$  (Write 7 over 1. Change  $1\ \frac{1}{9}$  to an improper fraction by doing the C. Then Keep Change Flip. Simplify.)

• 6 3/10

• 6

• 3/10

• 70/9

Tags

CCSS.5.NF.B.3

 $2\ \frac{5}{6}\ \div\ 6\ \frac{4}{5}$  (Change both to improper fractions by doing the C. Then Keep Change Flip. You might want to cross cancel here!)

• 12

• 5/12

• 5

• 12/5

Tags

CCSS.6.NS.A.1