Multiplying Fractions, Mixed Numbers, and Whole Numbers

Do the denominators need to be the same to multiply fractions?

• Yes

• No

Tags

CCSS.5.NF.B.4

What do you need to do first in order to multiply any number by a mixed number?

• Nothing

• Change it to an improper fraction

• Find a common denominator

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

Solve:
 $\frac{1}{4}\ x\ \frac{3}{8}\ =\ ?$  

•  $\frac{4}{12}$  

•  $\frac{3}{32}$  

•  $\frac{12}{8}$  

•  $\frac{8}{12}$  

Tags

CCSS.5.NF.B.4

 $\frac{2}{5}\ x\ \frac{7}{9}=$  

Solve

•  $\frac{9}{14}$  

•  $\frac{9}{45}$  

•  $\frac{14}{45}$  

•  $\frac{14}{14}$  

Tags

CCSS.5.NF.B.4

 $\frac{3}{6}\ x\ \frac{4}{6}\ =$  
Solve.  Be sure to simplify!

•  $\frac{12}{36}$  

•  $\frac{1}{3}$  

•  $\frac{7}{12}$  

•  $\frac{9}{10}$  

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

Solve. Be sure to simplify!
 $4\ \frac{1}{2}\ \ x\ 3\ \frac{2}{3}\ =$  

•  $12\ \frac{2}{6}$  

•  $12\ \frac{1}{3}$  

•  $\frac{99}{6}$  

•  $16\ \frac{1}{2}$  

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

 $4\ \ x\ \ 1\ \frac{1}{2}\ =$  
Solve.  Be sure to simplify! 

•  $\frac{12}{2}$  

• 6

•  $4\ \frac{1}{2}$  

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

What is the invisible number that is found under all whole numbers?

• 0

• 1

• 2

• 3

Tags

CCSS.K.CC.A.3

What operation do you use to simplify fractions and improper fractions?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.6.NS.A.1

CCSS.6.NS.B.4

True or False: whatever is done to the numerator needs to be done to the denominator as well when changing fractions.

• True

• False

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2