Evaluate the Expression with Negative Numbers

-6 + 7

• 1
• -1
• 13
• -13

-18 + 12

• -6
• 6
• 20
• -30

3 + (-5)

• -2
• 2
• 8
• -8

3 + (-9)

• -6
• 6
• 12
• -12

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

-8+4

• -4

• -12

• 4

• 12

-12 + -9

• 6

• -21

• -3

• 11

5 - (-9) =

• -4
• -9
• 4
• 14