Adding rational numbers

-2.61 + (-6.88)

• 9.49
• -9.49
• 4.27
• -4.27

Tags

CCSS.7.NS.A.1C

9 + -6.73

• 2.27
• -2.27
• 15.73
• -15.73

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

 $\frac{5}{9}+-\frac{3}{4}$  

•  $-\frac{7}{36}$  

•  $\frac{7}{36}$  

•  $\frac{8}{13}$  

•  $-\frac{8}{13}$  

Tags

CCSS.7.NS.A.1C

Will the sum be positive or negative for the expression below?

-40 + (-15.05)

• positive

• negative

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Will the sum for the expression below be positive or negative?

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

• positive

• negative

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

 $-\frac{9}{14}+\frac{2}{7}$  

•  $\frac{5}{14}$  

•  $-\frac{5}{14}$  

•  $\frac{13}{14}$  

•  $-\frac{13}{14}$  

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

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

•  $-\frac{3}{5}$  

•  $-1\frac{4}{5}$  

•  $\frac{3}{5}$  

•  $1\frac{4}{5}$  

Tags

CCSS.7.NS.A.1C

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

What's a way to define absolute value?

• The value of a number
• The opposite of a number
• The distance of a number from zero
• The multiplicative inverse of a number

Tags

CCSS.6.NS.C.7C

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