Unit 2 Review - Fractions and Decimals

When I MULTIPLY fractions, I ______________.

• Keep Change Flip

• Multiply all willy-nilly

• Cross Multiply

• Multiply Numerators by Numerators and Denominators by Denominators

When I DIVIDE fractions, I ______________.

• Keep Change Flip

• Divide all willy-nilly

• Cross Multiply

• Divide Numerators by Numerators and Denominators by Denominators

 Solve and SIMPLIFY.   

 $\frac{2}{3}\times\frac{4}{5}=$  

•  $\frac{8}{15}$  

•  $\frac{4}{7.5}$  
  

•  $\frac{4}{15}$  
  

•  $\frac{10}{12}$  
  

 Solve and SIMPLIFY.   

 $\frac{4}{7}\times2\frac{1}{4}=$  

•  $1\frac{4}{14}$  

•  $1\frac{2}{7}$  
  

•  $\frac{36}{28}$  
  

•  $1\frac{8}{28}$  
  

 Solve and SIMPLIFY.   

 $3\frac{1}{2}\times1\frac{4}{9}=$  

•  $3\frac{4}{18}$  

•  $\frac{117}{18}$  
  

•  $6\frac{1}{2}$  
  

•  $6\frac{9}{18}$  
  

 Solve and SIMPLIFY.   

 $\frac{2}{5}\div\frac{3}{7}=$  

•  $\frac{6}{35}$  

•  $\frac{15}{21}$  
  

•  $1\frac{1}{15}$  
  

•  $\frac{14}{15}$  
  

 Solve and SIMPLIFY.   

 $1\frac{2}{3}\div\frac{1}{4}=$  

•  $\frac{20}{3}$  

•  $1\ \frac{8}{3}$  
  

•  $6\frac{2}{3}$  
  

•  $6\frac{1}{3}$  
  

 Solve and SIMPLIFY.   

 $1\frac{5}{8}\div2\frac{1}{5}=$  

•  $\frac{65}{88}$  

•  $\ \frac{5}{40}$  
  

•  $\frac{1}{8}$  
  

•  $\frac{13}{17}$  
  

What do you line up when adding and subtracting decimals?

• Line up the decimal points only

• Line up the numbers only

• Line up both the decimal point and the numbers.

• Line up the problem however I want to

Add.  75.715 + 3.5

• 78.200

• 78.215

• 79.200

• 79.215