Adding and Subtracting Integers

Use the number line to find the sum.
3 + (-12) =

• -9
• 9
• -15
• 15

Use the number line to find the sum.
-4 + (-5) =

• -9
• 9
• -1
• 1

When you add opposites, what do you get?

• 0
• A negative number
• Attraction
• You cannot add opposites

Which problem does not have a sum of (-4)?

• (-9) + (-5)
• 3 + (-7)
• (-9) + 5 
• (-3) + (-1)

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
7 − 12

• 7 + 12
• 7 + (−12)
• −7 + 12
• −7 + (−12)

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−8 − 5

• 8 + 5
• 8 + (−5)
• −8 + 5
• −8 + (−5)

-20+(-11)

• 31
• 9
• -9
• -31

(-9) + 9

• 18
• -18
• 0
• 81

(- 9) + 7

• -2
• 2
• 16
• -16

7 + (-14)

• 7
• 21
• -21
• -7