Adding and Subtracting Integers

Adding Integers -Easy

100

-7 + (-7)

-14

200

3 + (-4)

-1

300

9 + (-3)

6

400

-11 + 2

-9

500

12 + (-6)

6

subtracting integers Easy

100

-3 - (-4) =

1

200

4 - 5 =

-1

300

4 -(-4) =

8

400

3 - (-11)=

14

500

-12 - (-15) =

3

Adding Integers Harder

100

23 + (-55)

-32

200

-50 + 17 =

-33

300

-99 + 13 =

-86

400

-43 + (-32)=

-75

500

56 + (-34)=

22

Subtracting integers Harder

100

-29 - (-30)=

1

200

-35 - 48 =

-83

300

-67 - 56 =

-123

400

45 - 67 =

-22

500

-65 - (- 44) =

-21

Mixed Harder

100

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

14 - 30 = -15 degrees

200

The temperature at 6:00 A.M. was -15°C The temperature increased 2°C per hour. What was the temperature at 8:00 A.M.?

-15 + 2 = -13

-13 + 2 = -11

-11^oC

300

Overnight, the temperature in Mayville was –4°F. But by the following afternoon, the temperature had risen 11°F. What was the temperature in Mayville that afternoon?

-4 + 11

400

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

500

The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low temperatures?

4 - (-7) = 11 degrees