Operations with Rational Numbers

Solve the expression:
 $15.03+2.4$  

• 15.27

• 17.07

• 17.43

• 39.03

Tags

CCSS.6.NS.B.3

Solve the expression:
 $-12-5$  

•  $-7$  

•  $-17$  

•  $17$  

•  $7$  

Tags

CCSS.7.NS.A.1C

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

• $19.5$

• $18.5$

• $-19.5$

• $-18.5$

Tags

CCSS.7.NS.A.1C

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

• $13$

• $-13$

• $3$

• $-3$

Tags

CCSS.7.NS.A.1C

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

•  $\frac{3}{8}$  

•  $\frac{0.75}{2}$  

•  $\frac{4}{6}$  

• 

Tags

CCSS.6.NS.B.3

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

• $19.8$

• $-198$

• $198.0$

• $-19.8$

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

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

• $-3$

• $30$

• $-30$

• $3$

Tags

CCSS.7.NS.A.2B

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

• $3$

• $-3$

• $\pm3$

• $\frac{1}{3}$

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

Divide these fractions

• $\frac{8}{2}$

• $\frac{54}{4}$
  

• $13\frac{1}{2}$
  

• $13\frac{2}{4}$

Tags

CCSS.6.NS.A.1

 $5\frac{3}{4}\times\frac{1}{4}=?$  

•  $\frac{23}{16}$  
  

•  $1\frac{7}{16}$  
  

•  $\frac{15}{16}$  
  

Tags

CCSS.7.NS.A.3