2.1-2.2 Review Challenge

-2.61 + (-6.88)

• 9.49
• -9.49
• 4.27
• -4.27

9 + -6.73

• 2.27
• -2.27
• 15.73
• -15.73

 $\frac{9}{7}+-\frac{1}{5}$  

•  $-\frac{38}{35}$  

•  $\frac{52}{35}$  

•  $\frac{38}{35}$  

•  $-\frac{52}{35}$  

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

•  $-\frac{3}{5}$  

•  $-1\frac{4}{5}$  

•  $\frac{3}{5}$  

•  $1\frac{4}{5}$  

Fill in the blank for the following rule: If the rational numbers have same signs, ______________ the absolute values and keep the common sign.

• add

• subtract

• multiply

• divide

Fill in the blank for the following rule: If the rational numbers have different signs, ____________________ the absolute values and keep the sign of the number with the biggest absolute value.

• add

• subtract

• multiply

• divide

What is the value of the following expression?

• -12 and 19/21

• -12 and 1/2

• -2 and 3/4

• -2 and 5/21

Express 0.8 as a fraction in simplest form

• 4/3

• 4/5

• 8/100

• 8/1000

Write this fraction as a decimal.
1/9

• 9
• .111.....
• 1.9
• 1.11

What is 1.2 as a fraction?

• 3/25
• 1/2
• 1  2/5
• 1  1/5