Math Rocks Integers

-8 + 3 =

• 5

• -5

• 8

• -8

-4 + 8 =

• -8

• -4

• 8

• 4

6 + -5 =

• 6

• -1

• 1

• 5

In Albany, New York, the temperature was -12°F in the evening. If the temperature dropped 9°F, what is the temperature now?

• -21^oF

• -23^oF

• 3^oF

• -3^oF

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

Match the integer addition problem with the graph.

• -5 + (-2) = -7

• -5 - (-2) = -7

• -7 + (-2) = -5

• None of these. 

Use the counters to find the sum of the integers. Yellow is positive and red is negative.

• 17

• -2

• -1

• -17

(-2) + (+8)

• 6

• -6

• 10

(-2) + (-6)

• 4

• -8

• -4

-22 + (-9)

• -11

• -31

• 11

• 31