Adding and subtracting Integers

Which are the correct steps for rewriting a subtraction problem into addition?

• 1) Keep first number the same
  2) Keep Subtraction sign
  3) Change second number to opposite
• 1) Keep first number the same
  2) Change Subtraction into Addition
  3) Change second number to opposite
• 1) Change the first number into the opposite
  2) Change Subtraction to Addition
  3) Keep second number the same
• 1) Change the first number into the opposite
  2) Change Subtraction to Addition
  3) Change second number to opposite

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14
• 14
• -4

Tags

CCSS.7.NS.A.1C

-14 + (-3)

• -17
• 11
• -11
• 17

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14
• 14
• -4

Tags

CCSS.7.NS.A.1C

-2 - (-10) = ?

• -12
• 12
• 8
• -8

Tags

CCSS.7.NS.A.1C

5 - 8 =

• 13
• 3
• -3
• -13

Tags

CCSS.7.NS.A.1C

30 + (-11) = 

• 41
• 19
• -41
• -19

Tags

CCSS.7.NS.A.1C

How would you  write the following using numbers instead of zero pairs? 
 
 -  -  -  - 
 + + + + +

• -4 + 5
• 4+ 5
• -5 - 4
• -4 - 5

Tags

CCSS.7.NS.A.1C

-3 - (-40) = 

• -43
• 43
• 37
• -37

Tags

CCSS.7.NS.A.1C

-7 - (-2) = ?

• 9
• -9
• -5
• 5

Tags

CCSS.7.NS.A.1C