Adding Integers

4 + (-5)

• 9
• -9
• 1
• -1

-3 + (-7)

• -10
• 10
• -4
• 4

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Negative number + Negative number = 

• postive number
• negative number
• zero

28 + (-30)

• -2
• 2
• 58
• -58

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

What is the absolute value of 13?

• 13
• -13
• 0
• -0

-3 + -55 =

• -52
• -43
• -58
• 74

-6 + -6 =

• 12
• -12
• 0
• -36

-10 + 10

• 20

• 0

• -20

• 100