Adding Rational Numbers

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

Tags

CCSS.7.NS.A.1C

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

Tags

CCSS.7.NS.A.1C

 $-\frac{3}{5}+\frac{2}{5}$  

•  $-\frac{1}{5}$  

•  $\frac{1}{5}$  

• 1

• -1

Tags

CCSS.7.NS.A.1C

 $-\frac{2}{9}+\left(-\frac{4}{9}\right)$  

•  $-\frac{2}{3}$  

•  $\frac{2}{3}$  

•  $-\frac{2}{9}$  

•  $\frac{2}{9}$  

Tags

CCSS.7.NS.A.1C

-2.61 + (-6.88)

• 9.49
• -9.49
• 4.27
• -4.27

Tags

CCSS.7.NS.A.1C

-8 + (-1⅛) =

• 7⅞

• -7⅞

• 9⅛

• -9⅛

Tags

CCSS.7.NS.A.1C

-6.5 + (-0.5)

• 7

• -7

• 6

• -6

Tags

CCSS.7.NS.A.1C

2½ + (-2½) =

• 5

• 0

• 2½

• -2½

Tags

CCSS.7.NS.A.1B

- 5/6 + - 3/8

• 8/14
• - 8/14
• - 29/ 24 (or -1   5/24) 
• 29/ 24 (or 1   5/24) 

Tags

CCSS.7.NS.A.1C

 $-\frac{1}{6}+\frac{1}{2}$  

•  $\frac{2}{3}$  

•  $\frac{1}{4}$  

•  $\frac{1}{8}$  

•  $\frac{1}{3}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B