Adding and Subtracting Integers

5+(-5)

• 5

• -5

• 0

• 10

-2 + 4 

• -2
• 2
• 0
• -4

-7 - 2

• -9
• 9
• 5
• -5

-2 - (-10) = ?

• -12
• 12
• 8
• -8

33 + (-38)

• -5
• 5
• 71
• -71

19 - (-19)

• 0
• 36
• 26
• 38

5-19

• 14
• 24
• -14
• -24

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.

• Keep the first #. Change subtraction sign to addition and Change the last number into its opposite.

• Keep the opposite of both numbers and then change it to add.

• Subtract like normal and keep the larger sign.

What problem is shown with this number line?

• 3 - 2

• 2 - 3

• 3 - (-2)

• 5 - 2

10 + (-4) 

• -6
• 6
• 14
• -14