Adding and subtracting rational numbers

What is the additive inverse of
- ⅚

• ⁶⁄₅
• - ⁶⁄₅
• ⅚
• 0

Tags

CCSS.7.NS.A.1B

Which of the following is not true of the number line below?

• The absolute value of point A is positive.

• The opposite of point A is positive.

• The additive inverse of point A is -1/2.

Tags

CCSS.7.NS.A.1B

 

Evaluate -a if a = $-\frac{3}{4}$  

•  $\frac{3}{4}$  

•  $-\frac{4}{3}$  

•  $\frac{4}{3}$  
  

•  $-\frac{3}{4}$  
  

Tags

CCSS.7.NS.A.1B

Identify the property -7 + 7 = 0

8 + -8 = 0

• inverse property of addition

• Inverse property of multiplication

• Multiplication of zero

• associative property

Tags

CCSS.7.NS.A.1B

Suppose a and b are rational numbers. Which expression is equivalent to a-b?

• -a+b

• a+b

• -a+(-b)

• a+(-b)

Tags

CCSS.7.NS.A.1B

The sum of a number and it's opposite (ADDITIVE INVERSE) is always equal to zero.

• True

• False

Tags

CCSS.7.NS.A.1B

The city of Kuttanad, India, has an elevation of -2.14 meters. The area near the mouth of the Dniester River in Moldova has an elevation that is the opposite of the elevation in Kuttanad. What is the elevation near the mouth of the Dniester River?

Tags

CCSS.7.NS.A.1B

The additive inverse is used only for...

• addition 
• subtraction
• multiplication
• division

Tags

CCSS.7.NS.A.1B

opposite operations that undo each other

• Opposites

• Inverse Operations

• Multiplicative Identity

Tags

CCSS.7.NS.A.1B

What is the additive inverse of

 $-\frac{1}{5}$  ?

• 5

• -5

•  $\frac{1}{5}$  

• 0

Tags

CCSS.7.NS.A.1B