Unit 1 Pre Algebra Review

Solve the expression:
$19-\left(-0.5\right)$

• $19.5$

• $18.5$

• $-19.5$

• $-18.5$

Solve the expression:
$5+\left(-8\right)$

• $13$

• $-13$

• $3$

• $-3$

Solve the expression:
 $\frac{1}{2}\left(0.75\right)$  

•  $\frac{3}{8}$  

•  $\frac{0.75}{2}$  

•  $\frac{4}{6}$  

• 

Solve the expression:
$-9\times2.2$

• $19.8$

• $-198$

• $198.0$

• $-19.8$

Solve the expression:
$\frac{-33}{1.1}$

• $-3$

• $30$

• $-30$

• $3$

Solve the expression:
$\left(-39\right)\div\left(-13\right)$

• $3$

• $-3$

• $\pm3$

• $\frac{1}{3}$

Divide these fractions

• $\frac{8}{2}$

• $\frac{54}{4}$
  

• $13\frac{1}{2}$
  

• $13\frac{2}{4}$

 $5\frac{3}{4}\times\frac{1}{4}=?$  

•  $\frac{23}{16}$  
  

•  $1\frac{7}{16}$  
  

•  $\frac{15}{16}$  
  

A recipe calls for 1/2 cup of sugar and 1/3 cup of cinnamon. What is the measure of the two ingredients combined?

• 5/6 cup
• 2/5 cup
• 1/6 cup
• 1/5 cup

If a plant grows 1/4 cm every day for 21 days, what is the total amount of growth?

• 82 cm
• 25 cm
• 17 1/4 cm
• 5 1/4 cm