Operations With Positive and Negative Integers

When you subtract integers...

• keep the first term, change subtraction to addition, and use the opposite sign for the second term (keep, change, change)
• change, keep, keep
• add them and make the sum negative

Calculate:
6 + (-11)

• 5
• 3
• -3
• -5

Calculate:
1 + (-4)

• 5
• 3
• -3
• -5

Calculate:
-5 + (-30)

• 35
• -25
• -40
• 40

Calculate:
-7 + (-3)

• -10
• 10
• -4
• -21

Calculate:
-20 + (-9)

• -11
• 11
• -29
• 29

Calculate:
2 - (-3)

• 5
• -5
• -1
• 1

Calculate:
5 - (-23)

• -19
• -18
• 28
• -28

Find the missing number:
2 + ________ = -1

• -10
• -4
• -3
• 1

Find the missing number:
-2+ ________ = -6

• -10
• -4
• -3
• 1