Adding Rational Numbers

 $\frac{5}{16}+\left(-\frac{7}{16}\right)$  

•  $\frac{2}{16}$  

•  $-\frac{2}{16}$  

-4.2 + 3.3

• -0.9

• -7.5

 $-1\frac{1}{5}+\left(-\frac{3}{5}\right)$  

•  $1\frac{4}{5}$  
  

•  $-1\frac{4}{5}$  

Answer explanation

null

-14 + (-3)

• -17

• 11

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• 45 degrees

• -45 degrees

• 15 degrees

• -15 degrees

Answer explanation

The temp started at +15 then dropped 30.

15-30 = -15

9 + -6.73

• 2.27

• 15.73

Answer explanation

This is the same as

9 - 6.73 = 2.27

 $-5\frac{2}{6}-2\frac{3}{6}=_{ }$  

•  $-7\frac{5}{6}$ 

•  $-3\frac{1}{6}$ 

- 31 + - 7

• -38

• -24

Answer explanation

-31 and -7 together make -38

- 12 + - 8

• - 20

• -4

Numbers that are greater than zero and to the right of zero on the number line are _______________.

• integers

• opposite numbers

• positive numbers

• negative numbers