Adding Integers
Subtracting Integers
Mean
Median
Mode/Range
100

13 + 89

102

100

-25 - (-25)

0

100

4, 7, 3, 6, 5, 5, 12, 8, 9, 1

6

100

1, 2, 3, 4, 5, 6, 7, 8, 9

5

100

Mode: 1, 1, 2, 3, 4, 5, 6, 7, 10, 13

1

200

- 34 + (-75)

-109

200

-125 - (-150)

25

200

35, 15, 23, 12, 20

21

200

23, 34, 35, 39, 41, 50, 63, 64, 106

41
200

Mode: 2, 2, 3, 4, 5, 5, 7, 10, 11, 12

2 and 5

300

675 + (-548)

127

300

356 - (-245)

601

300

21, 35, 14, 15, 15

20

300

11, 12, 9, 8, 14, 13, 10, 19, 30, 27

12.5

300

Mode: 34, 56, 72, 61, 85, 12, 22, 98, 101, 16

No Mode

400

-900 + 499

-401

400

-451 - 299

-750

400

19, 11, 18, 22, 14, 26, 13, 17, 10, 30

18

400

45, 31, 89, 47, 69, 21, 74, 103, 206, 11

46

400

Range:  -12, 10, 5, -9, -6, 11, 0, 14, -25

39

500

-2375 + (-8246)

-10,621

500

-7924 - (-3467)

-4457

500

72, 15, 25, 98, 42, 38, 76, 24, 11, 79

38

500

106, 180, 245, 97, 24, 103, 78, 101, 205, 819

103.5

500

Range:  -213, -456, -385, 129, -900, -125, 753, 819, 100, -325

1719

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