Adding integers

-4 + (-3) = ?

-5 + 9 = ?

In Buffalo, New York, the temperature was -4°F in the morning. If the temperature dropped (got colder) 6°F, what is the temperature now?

• 10 °F

• -21°F

• -10°F

• 21°F

Which expressions represents the 2-color counters shown in the image? (yellow is positive and red is negative

• -4 + 5

• 4 + (-5)

• -4 + (-5)

• -5 + 4

A diver is 12 meters below sea level. He then rises 5 meters. What is his current depth? (no label)

What is a zero pair? 

• Two negatives
• Two positives
• One negative, one positive

A submarine at -32 feet dives down 18 feet. After the dive, what will be the submarines elevation?

• 14
• -14
• -50
• 50

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

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

Negative number + Negative number = 

• postive number
• negative number
• zero