Adding and subtracting rational numbers

What is the additive inverse of - 9.91

• 0

• -10

• 9

• 9.91

Tags

CCSS.7.NS.A.1B

Find the sum: $\frac{1}{4}+\left(-\frac{1}{4}\right)$  

•  $0$  

•  $\frac{1}{2}$  

•  $-\frac{1}{2}$  

•  $-\frac{1}{4}$  

Tags

CCSS.7.NS.A.1B

Which property is illustrated here: 10 + -10 = 0

• Multiplicative Inverse Property
• Additive Inverse Property
• Additive Identity Property
• Multiplicative Identity Property

Tags

CCSS.7.NS.A.1B

When points are in the SAME quadrant you :

• add the values

• add the absolute values

• subtract the values

• subtract the absolute values

Tags

CCSS.7.NS.A.1B

What is the opposite of Darrin's balance?

• -$9.00

• -$7.45

• $5.25

• $1.50

Tags

CCSS.7.NS.A.1B

What is the additive identity of  $-9$   ?

•  $0$  

•  $-\frac{1}{9}$  

•  $1$  

•  $9$  

Tags

CCSS.7.NS.A.1B

Marcus drew one point at -2 on number line, and point at the opposite of -2 on a number line. How far apart are Marcus's two points on the number line?

• 2

• 0

• 4

• -2

Tags

CCSS.7.NS.A.1B

The additive inverse of 1/2 is -2

• true

• false

Tags

CCSS.7.NS.A.1B

Which pairs of numbers are additive inverse? Select all that apply.

• 10,10

• -10,10

• .3, 3

• -3, 3

Tags

CCSS.7.NS.A.1B

 $\frac{9}{11}-\frac{10}{11}+\frac{4}{11}$  

•  $\frac{5}{11}$  

•  $\frac{3}{11}$  

•  $-\frac{5}{11}$  

•  $\frac{25}{11}$  

Tags

CCSS.7.NS.A.1B