adding integers

2 + (-8) = ?

8 + (-2)

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test.  Which equation best describes Bob progress on his math test?

• 5 + 9 = 14
• -5 + -9 = -4
• -5 + -9 = -14
• 5 + -9 = -4

When you add opposites, what do you get?

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

Negative number + Negative number = 

• postive number
• negative number
• zero